Range of Television Broadcasting is confined to a limited distance because (a) Long waves are used (b) Short waves are absorbed by atmosphere (c) Energy of the waves is dissipated (d) Earth is spherical in shape

Range of Television Broadcasting is confined to a limited distance because (a) Long waves are used (b) Short waves are absorbed by atmosphere (c) Energy of the waves is dissipated (d) Earth is spherical in shape
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T.V. transmission cannot cover a very large area because A. the strength of T.V. waves is very limited B. picture cannot be transmitted clearly after a specific distance C. the shape of the earth is spherical (Answer) D. the air is not a good conductor of light and sound/waves

Description : T.V. transmission cannot cover a very large area because A. the strength of T.V. waves is very limited B. picture cannot be transmitted clearly after a specific distance C. the shape of the earth is spherical (Answer) D. the air is not a good conductor of light and sound/waves

Last Answer : C. the shape of the earth is spherical (Answer)

T.V. transmission cannot cover a very large area because _____ A. The strength of T.V. waves is very limited B. Picture cannot be transmitted clearly after a specific distance C. The shape of the earth is spherical D. The air is not a good conductor of light and sound/waves

Description : T.V. transmission cannot cover a very large area because _____ A. The strength of T.V. waves is very limited B. Picture cannot be transmitted clearly after a specific distance C. The shape of the earth is spherical D. The air is not a good conductor of light and sound/waves

Last Answer : ANSWER: C

A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by (A) Diffusion within the pellet (B) Reaction (C) External mass transfer (D) None of the above

Description : A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the ... A) Diffusion within the pellet (B) Reaction (C) External mass transfer (D) None of the above

Last Answer : (A) Diffusion within the pellet

Pick out the wrong statement (A) The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone (B) Mesosphere is characterised by very low atmospheric pressure and low temperature (C) Troposphere is a dusty zone containing water vapor and clouds (D) The radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Description : Pick out the wrong statement (A) The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone (B) Mesosphere is characterised by very low atmospheric ... radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Last Answer : (D) The radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Which of the following types radiations is absorbed by the upper layer of the atmosphere? A. Radio-waves B. Infrared C. Visible D. Ultraviolet

Description : Which of the following types radiations is absorbed by the upper layer of the atmosphere? A. Radio-waves B. Infrared C. Visible D. Ultraviolet

Last Answer : ANSWER: B

Which type of radiations are absorbed by the upper layer of the atmosphere? (1) Radio-waves (2) Infrared (3) Visible (4) Ultraviolet

Description : Which type of radiations are absorbed by the upper layer of the atmosphere? (1) Radio-waves (2) Infrared (3) Visible (4) Ultraviolet

Last Answer : (4) Ultraviolet Explanation: The Troposphere is the layer where the weather happens. Above this layer is the Stratosphere and in between them is the Ozone layer that absorbs the sun's ... . Above the Stratosphere is the Mesosphere, the Thermosphere including the Ionosphere - and the Exosphere.

Which type of radiations are absorbed by the upper layer of the atmosphere? (1) Radio-waves (2)Infrared (3) Visible (4) Ultraviolet

Description : Which type of radiations are absorbed by the upper layer of the atmosphere? (1) Radio-waves (2)Infrared (3) Visible (4) Ultraviolet

Last Answer : Ultraviolet

For television broadcasting, what frequency is employed normally? -Do You Know?

Description : For television broadcasting, what frequency is employed normally? -Do You Know?

Last Answer : answer:

In what year did the color broadcasting of Bangladesh Television start ?

Last Answer : Color broadcasting of Bangladesh Television started in 1981.

Where can I possibly find television broadcasting jobs?

Description : Where can I possibly find television broadcasting jobs?

Last Answer : Major cities are generally where television stations are located. Whether you're looking for a job with your local television broadcasting station, or on a national scale, will all depend on where these jobs are. ... as I mentioned, if you want to stay close to home, look at your local urban cities.

In television broadcasting vivid strong colors are often referred as _______. A. Saturation B. Hue C. Chrominance D. Luminance

Description : In television broadcasting vivid strong colors are often referred as _______. A. Saturation B. Hue C. Chrominance D. Luminance

Last Answer : A. Saturation

For television broadcasting, what frequency is employed normally?

Description : For television broadcasting, what frequency is employed normally?

Last Answer : 30 – 300 MHz

The best statement of the responsibility of the auditor with respect to audited financial statement is: a. The auditor's responsibility on fair presentation of financial statements is limited only up to the date of the audit report. b. The auditor's responsibility is confined to the expression of opinion on the financial statements audited. c. The responsibility over the financial statements rests with the management and the auditor assumes responsibility with respect to the notes of financial statements. d. The auditor is responsible only to his qualified opinion but not for any other type of opinion.

Description : The best statement of the responsibility of the auditor with respect to audited financial statement is: a. The auditor's responsibility on fair presentation of financial statements is limited only up to ... auditor is responsible only to his qualified opinion but not for any other type of opinion.

Last Answer : The auditor's responsibility is confined to the expression of opinion on the financial statements audited

What evidence is there for earth spherical shape?

Description : What evidence is there for earth spherical shape?

Last Answer : It casts a round shadow during a lunar eclipse.

What evidence is there for earth spherical shape?

Description : What evidence is there for earth spherical shape?

Last Answer : It casts a round shadow during a lunar eclipse.

Uneven distribution of insolation on the earth is mainly due to the – (1) spherical shape of the earth (2) distribution of land and water (3) direction of the winds (4) presence of pressure belts

Description : Uneven distribution of insolation on the earth is mainly due to the – (1) spherical shape of the earth (2) distribution of land and water (3) direction of the winds (4) presence of pressure belts

Last Answer : (1) spherical shape of the earth Explanation: Uneven distribution of insolation on the earth is mainly due to the Earth's tilted axis and the nearly spherical shape. The length of time that the ... lead to the unequal distribution of heat on the Earth, creating what is called a heat gradient.

Which phenomenon gives an evidence for the spherical shape of the earth?

Description : Which phenomenon gives an evidence for the spherical shape of the earth?

Last Answer : Lunar eclipse

1. Who was the first lady Prime Minister in the world? 2. Which muscle is the strongest of all in the human body? 3. Who has the authority to remove the Vice-President from his office before the expiry of his term? 4. Which phenomenon gives an evidence for the spherical shape of the earth? 5. Which literary figure of the Gupta Age is given the title of 'Indian Shakespeare' ?

Description : 1. Who was the first lady Prime Minister in the world? 2. Which muscle is the strongest of all in the human body? 3. Who has the authority to remove the Vice-President from his office ... Meridian' passes through which states? 20. By whom was the slogan Inquilab Zinda bad' first raised?

Last Answer : Answer : 1. Shirimavo Bhandaranaike 2. Thigh 3. Parliament 4. Lunar eclipse 5. Kalidasa 6. Dialysis 7. 20 8. Dance 9. Northwestern Europe 10. Salabat Jang 11. Thigh 12. The Prime Minister 13. ... Cornwallis 16. Annie Besant 17. Panther 18. Hyderabad 19. UP, MP Orissa and AP 20. Bhagat Singh

Uneven distribution of insolation on the earth is mainly due to the (1) spherical shape of the earth (2) distribution of land and water (3) direction of the winds (4) presence of pressure belts

Description : Uneven distribution of insolation on the earth is mainly due to the (1) spherical shape of the earth (2) distribution of land and water (3) direction of the winds (4) presence of pressure belts

Last Answer : spherical shape of the earth

Cloudy nights are wanner compared nights, because clouds mainly – (1) Absorb heat from the atmosphere send it towards earth (2) Prevent cold waves from the sky descending on earth (3) Reflect back the heat given by earth (4) Produce heat and radiate it toward earth

Description : Cloudy nights are wanner compared nights, because clouds mainly – (1) Absorb heat from the atmosphere send it towards earth (2) Prevent cold waves from the sky descending on earth (3) Reflect back the heat given by earth (4) Produce heat and radiate it toward earth

Last Answer : (3) Reflect back the heat given by earth Explanation: It is because the night side of Earth will radiate infra-red radiation (heat) back into space. When there is cloud cover, the clouds act like a blanket and trap the heat close to the ground just like a blanket traps heat close to our body.

Cloudy nights are warmer compared nights, because clouds mainly (1) absorb heat from the atmosphere send it towards earth (2) prevent cold waves from the sky descending on earth (3) reflect back the heat given by earth (4) produce heat and radiate it toward earth

Description : Cloudy nights are warmer compared nights, because clouds mainly (1) absorb heat from the atmosphere send it towards earth (2) prevent cold waves from the sky descending on earth (3) reflect back the heat given by earth (4) produce heat and radiate it toward earth

Last Answer : reflect back the heat given by earth

A drop of liquid assumes spherical shape because: (1) Intermolecular forces are strong in liquids (2) A sphere has the least surface area for a given volume (3) A sphere has the largest surface area for a given volume (4) Inter molecular forces are weak in liquids

Description : A drop of liquid assumes spherical shape because: (1) Intermolecular forces are strong in liquids (2) A sphere has the least surface area for a given volume (3) A sphere has the largest surface area for a given volume (4) Inter molecular forces are weak in liquids

Last Answer : (2) A sphere has the least surface area for a given volume Explanation: A drop of liquid assumes spherical shape because a sphere has the least surface area for a given volume.

A drop of liquid assumes spherical shape because: (1) Intermolecular forces are strong in liquids (2) A sphere has the least surface area for a given volume (3) A sphere has the largest surface area for a given volume (4) Inter molecular forces are weak in liquids

Description : A drop of liquid assumes spherical shape because: (1) Intermolecular forces are strong in liquids (2) A sphere has the least surface area for a given volume (3) A sphere has the largest surface area for a given volume (4) Inter molecular forces are weak in liquids

Last Answer : A sphere has the least surface area for a given volume

The absorption ofradiowaves bythe atmosphere depends on a. their frequency b. their distance from the transmitter c. the polarization of the waves d. the polarization of the atmosphere

Description : The absorption ofradiowaves bythe atmosphere depends on a. their frequency b. their distance from the transmitter c. the polarization of the waves d. the polarization of the atmosphere

Last Answer : a. their frequency

Hydrogen is not found in atmosphere because – (1) it is highly inflammable (2) it is the lightest gas (3) it is absorbed by plants (4) it immediately combines with oxygen to form water

Description : Hydrogen is not found in atmosphere because – (1) it is highly inflammable (2) it is the lightest gas (3) it is absorbed by plants (4) it immediately combines with oxygen to form water

Last Answer : (2) it is the lightest gas Explanation: Hydrogen is a chemical element with symbol H and atomic number 1. With an average atomic weight of 1.00794 u (1.007825 u for hydrogen-1), hydrogen ... hydrogen in its plasma state. Air is the name given to the atmosphere used in breathing and photosynthesis.

Hydrogen is not found in atmosphere because (1) it is highly inflammable (2) it is the lightest gas (3) it is absorbed by plants (4) it immediately combines with oxygen to form water

Description : Hydrogen is not found in atmosphere because (1) it is highly inflammable (2) it is the lightest gas (3) it is absorbed by plants (4) it immediately combines with oxygen to form water

Last Answer :  it is the lightest gas

Moisture absorbed in the windings or condensed on the surface of electrical machinery insulation ________. A. is good for long term preserving since most insulation is organic and contains some amount B. lowers the insulation value and is a common cause of fault grounds in idle machines C. will enhance insulation resistance only if it is fresh water and contains no salt D. reduces the amount of current supplied or drawn by the machine so horsepower is limited

Description : Moisture absorbed in the windings or condensed on the surface of electrical machinery insulation ________. A. is good for long term preserving since most insulation is organic and contains some amount B. ... D. reduces the amount of current supplied or drawn by the machine so horsepower is limited

Last Answer : Answer: B

Long distance short-wave radio broad casting uses which waves? -Do You Know?

Description : Long distance short-wave radio broad casting uses which waves? -Do You Know?

Last Answer : answer:

Long distance short-wave radio broad casting uses which waves?

Description : Long distance short-wave radio broad casting uses which waves?

Last Answer : Ionospheric wave

Which of the following is not a characteristic of a slow learner? Options: A) Limited vocabulary B) Short span of attention C) Abstract thinking D) Limited range of interests

Description : Which of the following is not a characteristic of a slow learner? Options: A) Limited vocabulary B) Short span of attention C) Abstract thinking D) Limited range of interests

Last Answer : C) Abstract thinking 

Is the suns energy completely absorbed by the atmosphere?

Description : Is the suns energy completely absorbed by the atmosphere?

Last Answer : No it is not.

When carbon dioxide in the atmosphere increases, the amount of energy absorbed by Earth’s surface should?

Description : When carbon dioxide in the atmosphere increases, the amount of energy absorbed by Earth’s surface should?

Last Answer : Decrease

The net effect of circulation is to move warm air from the and thus moderate the equator-to-pole energy gradient created by . (a) the tropics to the poles; the difference insolation absorbed in day and night (b) the tropics to the poles; ocean circulation (c) from the surface up to the tropopause; more heating near the ground than aloft (d) the tropics to the poles; the latitudinal distribution of absorbed insolation (e) from the surface up to the tropopause; more heating in the atmosphere than at the surface from GHGs

Description : The net effect of circulation is to move warm air from the and thus moderate the equator-to-pole energy gradient created by . (a) the tropics to the poles; the difference insolation absorbed in ... from the surface up to the tropopause; more heating in the atmosphere than at the surface from GHGs

Last Answer : the tropics to the poles; the latitudinal distribution of absorbed insolation

Consider the following statements: 1. The nuclear forces are short range forces. 2. Alpha rays emitted by a radionuclide are helium nucleus. 3. Gamma rays are electromagnetic waves. 4. Beta rays emitted by a radionuclide are negatively charged particles. The correct statements are: (a) 1, 2 and 4 only (b) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Description : Consider the following statements: 1. The nuclear forces are short range forces. 2. Alpha rays emitted by a radionuclide are helium nucleus. 3. Gamma rays are electromagnetic waves. 4. Beta rays emitted by a radionuclide are negatively ... 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Last Answer : Ans:(c)

Streptomycin sulfate is not absorbed orally because it is (a) Degraded by gastrointestinal enzymes (b) Destroyed by gastric acid (c) Highly ionized at a wide range of pH values (d) Insoluble in water

Description : Streptomycin sulfate is not absorbed orally because it is (a) Degraded by gastrointestinal enzymes (b) Destroyed by gastric acid (c) Highly ionized at a wide range of pH values (d) Insoluble in water

Last Answer : Ans: C

Neomycin is widely used as a topical antibiotic because: A. It is active against a wide range of bacteria causing superfecial infections B. It rarely causes contact sensitization C. It is poorly absorbed from the topical sites of application D. All of the above are correct

Description : Neomycin is widely used as a topical antibiotic because: A. It is active against a wide range of bacteria causing superfecial infections B. It rarely causes contact sensitization C. It is poorly absorbed from the topical sites of application D. All of the above are correct

Last Answer : D. All of the above are correct

Streptomycin sulfate is not absorbed orally because it is: A. Degraded by gastrointestinal enzymes B. Destroyed by gastric acid C. Highly ionized at a wide range of pH values D. Insoluble in water

Description : Streptomycin sulfate is not absorbed orally because it is: A. Degraded by gastrointestinal enzymes B. Destroyed by gastric acid C. Highly ionized at a wide range of pH values D. Insoluble in water

Last Answer : C. Highly ionized at a wide range of pH values

________ are usedfor short-range communications such as those between a PC and aperipheral device. A) Radio waves B) Microwaves C) Infrared waves D) none of the above

Description : ________ are usedfor short-range communications such as those between a PC and aperipheral device. A) Radio waves B) Microwaves C) Infrared waves D) none of the above

Last Answer : Infrared waves

…….are used for short-range communications such as those between a PC and aperipheral device. a. Radio waves b. None of These c. Microwaves d. Infrared waves

Description : …….are used for short-range communications such as those between a PC and aperipheral device. a. Radio waves b. None of These c. Microwaves d. Infrared waves

Last Answer : d. Infrared waves

The process through which excess of light energy is dissipated in photosynthesis is known as (1) Quenching (2) Scavenging (3) Photolysis (4) Photophosphatylation

Description : The process through which excess of light energy is dissipated in photosynthesis is known as (1) Quenching (2) Scavenging (3) Photolysis (4) Photophosphatylation

Last Answer : (1) Quenching Explanation: Quenching is a process in which absorbed light energy is dissipated as heat and does not take part in photochemistry. The phenomenon involves quenching of chlorophyll a (Chia) fluorescence, which is induced under steady-state illumination.

If a current of 1.5 A is maintained in a resistor of 10 2, then the energy dissipated in the resistor in 1 minute will be : (1) 15 W (2) 22.5 W (3) 135 W (4) 1350 W

Description : If a current of 1.5 A is maintained in a resistor of 10 2, then the energy dissipated in the resistor in 1 minute will be : (1) 15 W (2) 22.5 W (3) 135 W (4) 1350 W

Last Answer : (4) 1350 W Explanation: The potential difference or voltage, V, across two points is defined as the energy, E dissipated or transferred by a coulomb of charge 9, that moves through two points.

As shown in the illustration, if 'R1' and 'R2' have unequal values, the ____________. EL-0019 A. voltage drop across 'R1' will not be equal to the voltage drop across 'R2' B. current flow through 'R1' will equal the current flow through 'R2' C. the energy dissipated in 'R1' will be the same as the energy dissipated in 'R2' D. current flow through 'R1' will differ from the current flow through 'R2'

Description : As shown in the illustration, if 'R1' and 'R2' have unequal values, the ____________. EL-0019 A. voltage drop across 'R1' will not be equal to the voltage drop across 'R2' B. current flow ... energy dissipated in 'R2' D. current flow through 'R1' will differ from the current flow through 'R2'

Last Answer : Answer: D

In damped vibrations, the amplitude of the resulting vibration gradually reduces. This is due to the reason that an amount of energy is always dissipated to overcome the ________ * 1 point (A) Frictional resistance (B) Work done(C) Fluid pressure (D) Air pressure

Description : In damped vibrations, the amplitude of the resulting vibration gradually reduces. This is due to the reason that an amount of energy is always dissipated to overcome the ________ * 1 point (A) Frictional resistance (B) Work done(C) Fluid pressure (D) Air pressure

Last Answer : (A) Frictional resistance

According to the untuned dry fraction damper amplitude reduction will be A) Lesser if lesser amount of energy dissipated B) Greater if greater amount of energy dissipated C) Greater if lesser amount of energy dissipated D) Lesser if greater amount of energy dissipated

Description : According to the untuned dry fraction damper amplitude reduction will be A) Lesser if lesser amount of energy dissipated B) Greater if greater amount of energy dissipated C) Greater if lesser amount of energy dissipated D) Lesser if greater amount of energy dissipated

Last Answer : B) Greater if greater amount of energy dissipated

In damped vibrations, the amplitude of the resulting vibration gradually reduces. This is due to the reason that an amount of energy is always dissipated to overcome the ________ a) Frictional resistance b) Work done c) Fluid pressure d) Air pressure

Description : In damped vibrations, the amplitude of the resulting vibration gradually reduces. This is due to the reason that an amount of energy is always dissipated to overcome the ________ a) Frictional resistance b) Work done c) Fluid pressure d) Air pressure

Last Answer : a) Frictional resistance

The energy dissipated by a resistive load is most often in what form?

Description : The energy dissipated by a resistive load is most often in what form?

Last Answer : Heat.

The energy dissipated when a car hits a tree at 70 miles per hour is ABOUT how much greater than that dissipated at 50 miles per hour? w) 20 percent x) 40 percent y) 70 percent z) 100 percent

Description : The energy dissipated when a car hits a tree at 70 miles per hour is ABOUT how much greater than that dissipated at 50 miles per hour? w) 20 percent x) 40 percent y) 70 percent z) 100 percent

Last Answer : ANSWER: Z -- 100 PERCENT

The potential difference across a 4 ohm resistor is 20 volts. Assuming that all of the energy dissipated by this resistor is in the form of heat, how many joules of heat are radiated in 10 seconds?

Description : The potential difference across a 4 ohm resistor is 20 volts. Assuming that all of the energy dissipated by this resistor is in the form of heat, how many joules of heat are radiated in 10 seconds?  

Last Answer : ANSWER: 1000 JOULES

The process through which excess of light energy is dissipated in photosynthesis is known as (1) Quenching (2) Scavenging (3) Photolysis (4) Photophosphorylation

Description : The process through which excess of light energy is dissipated in photosynthesis is known as (1) Quenching (2) Scavenging (3) Photolysis (4) Photophosphorylation

Last Answer : Quenching