(3) it absorbs infrared radiation

(3) it absorbs infrared radiation
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Sullage water is – (1) waste water released from kitchen (2) waste water released from toilets (3) waste water released from factories (4) waste water released from hospitals
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The increasing amount of CO2 in the atmosphere is slowly raising its temperature because it absorbs (a) the infrared part of the solar radiation (b) the ultraviolet part of the solar radiation (c) all the solar radiations (d) the water vapour of the air

Description : The increasing amount of CO2 in the atmosphere is slowly raising its temperature because it absorbs (a) the infrared part of the solar radiation (b) the ultraviolet part of the solar radiation (c) all the solar radiations (d) the water vapour of the air

Last Answer : Ans:(a)

Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful (1) solar ultraviolet radiation (2) solar infrared radiation (3) CO2 in the air (4) SO2 in the air

Description : Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful (1) solar ultraviolet radiation (2) solar infrared radiation (3) CO2 in the air (4) SO2 in the air

Last Answer : (1) solar ultraviolet radiation Explanation: Ozone layer serves as a protective shield against harmful solar ultraviolet radiation.

Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful (1) solar ultraviolet radiation (2) solar infrared radiation (3) CO2 in the air (4) SO2 in the air

Description : Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful (1) solar ultraviolet radiation (2) solar infrared radiation (3) CO2 in the air (4) SO2 in the air

Last Answer : solar ultraviolet radiation

A hydrogen atom in ground state absorbs a photon of ultraviolet radiation of wavelength `50 nm` Assuming that the entire photon energy is taken up by

Description : A hydrogen atom in ground state absorbs a photon of ultraviolet radiation of wavelength `50 nm` Assuming that the entire photon energy is taken up by

Last Answer : A hydrogen atom in ground state absorbs a photon of ultraviolet radiation of wavelength `50 nm` ... what kinetic energy will the electron be ejected?

A diathermanous substance __________ the thermal radiation completely. (A) Absorbs (B) Reflects (C) Transmits (D) None of these

Description : A diathermanous substance __________ the thermal radiation completely. (A) Absorbs (B) Reflects (C) Transmits (D) None of these

Last Answer : (C) Transmits

Which among the following colures absorbs more radiation? (A) Blue (B) Black (C)Red (D) White

Description : Which among the following colures absorbs more radiation? (A) Blue (B) Black (C)Red (D) White

Last Answer : (B) Black

Higher concentration of CO2 in atmosphere (A) Allows visible solar radiation (ultraviolet) of short wave-length to pass through (B) Reflects and absorbs the longer wavelength (infra-red) radiations (C) Prevents solar heat being radiated out completely, resulting in 'heat trap' i.e., global warming (D) All (A), (B) and (C)

Description : Higher concentration of CO2 in atmosphere (A) Allows visible solar radiation (ultraviolet) of short wave-length to pass through (B) Reflects and absorbs the longer wavelength (infra-red) radiations (C) Prevents solar heat being ... in 'heat trap' i.e., global warming (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. (A) Hydrogen (B) Carbon dioxide (C) Ozone (D) None of these

Description : A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. (A) Hydrogen (B) Carbon dioxide (C) Ozone (D) None of these

Last Answer : (C) Ozone

Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. (1) Microwave, infrared, visible. X-rays (2) X-rays, visible, infrared, microwave (3) Visible, infrared, microwave, X-rays (4) X-rays, infrared, visible, microwave

Description : Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. (1) Microwave, infrared, visible. X-rays (2) X-rays, visible, infrared, microwave (3) Visible, infrared, microwave, X-rays (4) X-rays, infrared, visible, microwave

Last Answer : (4) X-rays, infrared, visible, microwave Explanation: The Electromagnetic spectrum in order of decreasing energy, thus increasing wavelength : Gamma Rays-wavelength: 0.01 nm ; X-rays -1 nm ; Ultra-violet Rays-0.1 ... -10 m ; and Very High Frequency (VHF) and Ultra High Frequency (UHF): 10 m-10 cm.

Which electromagnetic radiation is used for satellite communication? (1) Ultraviolet (2) Infrared (3) Microwave (4) Millimeter wave

Description : Which electromagnetic radiation is used for satellite communication? (1) Ultraviolet (2) Infrared (3) Microwave (4) Millimeter wave

Last Answer : (3) Microwave Explanation: Microwave electromagnetic radiation is used for satellite communication.

The ozone layer protects us from - (1) Ultra violet rays (2) Radio waves (3) Visual radiation (4) Infrared radiation

Description : The ozone layer protects us from - (1) Ultra violet rays (2) Radio waves (3) Visual radiation (4) Infrared radiation

Last Answer : (1) Ultra violet rays Explanation: The ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (UVR) from the sun, protecting life on Earth from its potentially harmful effects.

The light rays used for eliminating bacteria – (1) X-rays (2) infrared rays (3) microwave radiation (4) ultra-violet radiation

Description : The light rays used for eliminating bacteria – (1) X-rays (2) infrared rays (3) microwave radiation (4) ultra-violet radiation

Last Answer : (4) ultra-violet radiation Explanation: Ultraviolet radiation is used to kill microorganisms, molds and fungus in various environmental applications. UV sterilization is used for air- ... water purification, aquarium and pond maintenance, laboratory hygiene and food and beverage protection.

The radiation initially produced in fluorescent tube is – (1) infrared (2) ultraviolet (3) microwaves (4) X-rays

Description : The radiation initially produced in fluorescent tube is – (1) infrared (2) ultraviolet (3) microwaves (4) X-rays

Last Answer : (2) ultraviolet Explanation: The primary radiation that is initially produced within a fluorescent lamp is analogous to that emitted by a low pressure mercury lamp. Fluorescent lamps produce UV radiation by ... coating on the inside of the tubes absorbs the UV and converts it to visible light.

Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy? A. radio, visible, infrared, ultraviolet, x-ray, gamma ray B. radio, infrared, visible, x-ray, gamma ray, ultraviolet C. visible, radio, infrared, ultraviolet, x-ray, gamma ray D. radio, infrared, visible, ultraviolet, x-ray, gamma ray (Answer)

Description : Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy? A. radio, visible, infrared, ultraviolet, x-ray, gamma ray B. radio, infrared, visible ... -ray, gamma ray D. radio, infrared, visible, ultraviolet, x-ray, gamma ray (Answer)

Last Answer : D. radio, infrared, visible, ultraviolet, x-ray, gamma ray (Answer)

Which of the following has the largest wavelength? A. visible light B. x-rays C. infrared light (Answer) D. ultraviolet radiation

Description : Which of the following has the largest wavelength? A. visible light B. x-rays C. infrared light (Answer) D. ultraviolet radiation

Last Answer : C. infrared light (Answer)

In gel electrophoresis, separated DNA fragments can be visualized with the help of (a) acetocarmine in bright blue light (b) ethidium bromide in UV radiation (c) acetocarmine in UV radiation (d) ethidium bromide in infrared radiation.

Description : In gel electrophoresis, separated DNA fragments can be visualized with the help of (a) acetocarmine in bright blue light (b) ethidium bromide in UV radiation (c) acetocarmine in UV radiation (d) ethidium bromide in infrared radiation.

Last Answer : (b) ethidium bromide in UV radiation

Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? (A) CO2 (B) H2 (C) SO3 (D) N2

Description : Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? (A) CO2 (B) H2 (C) SO3 (D) N2

Last Answer : (C) SO3

Infrared thermometer is used to measure — a. Atmospheric temperature b. Solar radiation c. Crop canopy temperature d. Soil temperature

Description : Infrared thermometer is used to measure — a. Atmospheric temperature b. Solar radiation c. Crop canopy temperature d. Soil temperature

Last Answer : c. Crop canopy temperature

Which one of the following frequency regions is a part of sun's radiation? (A) Ultraviolet frequency region (B) Infrared frequency region (C) Radio frequency region (D) All of these

Description : Which one of the following frequency regions is a part of sun's radiation? (A) Ultraviolet frequency region (B) Infrared frequency region (C) Radio frequency region (D) All of these

Last Answer : Answer: Option D

Geodimeter is based on: (A) Propagation of modulated light waves (B) Propagation of infrared radiation (C) The visible light as carrier with frequency of the order of 5 × 1014 Hz (D) High frequency radio waves

Description : Geodimeter is based on: (A) Propagation of modulated light waves (B) Propagation of infrared radiation (C) The visible light as carrier with frequency of the order of 5 × 1014 Hz (D) High frequency radio waves

Last Answer : Answer: Option A

What device measures infrared radiation below?  a. thermocouple  b. thermopile  c. thermodynamic device  d. thermos

Description : What device measures infrared radiation below?  a. thermocouple  b. thermopile  c. thermodynamic device  d. thermos

Last Answer : thermopile

The basis of the technique of chromatography for separating components of a mixture is? A. the differing movement of particles of different mass in an electrical field B. the interaction of the components with a stationary and a mobile phases C. the absorption of infrared radiation by the components. D. the deflection of charged particles in a magnetic field.

Description : The basis of the technique of chromatography for separating components of a mixture is? A. the differing movement of particles of different mass in an electrical field B. the interaction of the ... infrared radiation by the components. D. the deflection of charged particles in a magnetic field. 

Last Answer : the interaction of the components with a stationary and a mobile phases

Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. (1) Microwave, infrared, visible. X-rays (2) X -rays, visible, infrared, microwave (3) Visible, infrared, microwave, X-rays (4) X - rays, infrared, visible, microwave.

Description : Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. (1) Microwave, infrared, visible. X-rays (2) X -rays, visible, infrared, microwave (3) Visible, infrared, microwave, X-rays (4) X - rays, infrared, visible, microwave.

Last Answer : X - rays, infrared, visible, microwave.

Which electromagnetic radiation is used for satellite communication ? (1) Ultraviolet (2) Infrared (3) Microwave (4) Millimeter wave

Description : Which electromagnetic radiation is used for satellite communication ? (1) Ultraviolet (2) Infrared (3) Microwave (4) Millimeter wave

Last Answer : Microwave

The radiation initially produced in fluorescent tube is (1) infrared (2) ultraviolet (3) microwaves (4) X-rays

Description : The radiation initially produced in fluorescent tube is (1) infrared (2) ultraviolet (3) microwaves (4) X-rays

Last Answer : ultraviolet

The light rays used for eliminating bacteria (1) X-rays (2) infrared rays (3) microwave radiation (4) ultra-violet radiation

Description : The light rays used for eliminating bacteria (1) X-rays (2) infrared rays (3) microwave radiation (4) ultra-violet radiation

Last Answer : ultra-violet radiation

The water from a hand pump is warm in winter because - (1) our body is cold in winter and the water appears to be warm (2) the temperature inside the Earth is higher than the atmospheric temperature (3) the pumping process causes friction which warms up the water (4) inside water comes out and absorbs heat from the environment

Description : The water from a hand pump is warm in winter because - (1) our body is cold in winter and the water appears to be warm (2) the temperature inside the Earth is higher than the atmospheric ... causes friction which warms up the water (4) inside water comes out and absorbs heat from the environment

Last Answer : (2) the temperature inside the Earth is higher than the atmospheric temperature

Wollen clothes keep the body warm because – (1) Wool increases the temperature of the body (2) Wool is a had conductor (3) Wool absorbs radiant heat from outer objects (4) Wool rejects heat from the outer objects

Description : Wollen clothes keep the body warm because – (1) Wool increases the temperature of the body (2) Wool is a had conductor (3) Wool absorbs radiant heat from outer objects (4) Wool rejects heat from the outer objects

Last Answer : (2) Wool is a had conductor Explanation: It is just because woolen clothes have fibres and between those fibres air is trapped which reduces heat loss. Air reduces heat loss because it is an ... have a greater bulk than other textiles, and retain air, which causes the product to retain heat.

(3) checking the penetration of ultra-violet rays to the earth Explanation: Ozone in the ozone layer filters out sunlight wavelengths from about 200 nm UV rays to 315 nm, with ozone peak absorption at about 250 nm. This ozone UV absorption is important to life, since it extends the absorption of UV by ordinary oxygen and nitrogen in air (which absorbs all wavelengths < 200 nm) through the lower UV-C (200 nm-280 nm) and the entire UV-B band (280 nm-315 nm).

Description : (3) checking the penetration of ultra-violet rays to the earth Explanation: Ozone in the ozone layer filters out sunlight wavelengths from about 200 nm UV rays to 315 nm, with ozone peak absorption at about 250 nm. This ... the lower UV-C (200 nm-280 nm) and the entire UV-B band (280 nm-315 nm).

Last Answer : The advantage of detergents over soaps is – (1) Detergents are soluble in water (2) Detergents could not give much lather (3) Detergents give lather even with hard water (4) Soaps give lather with only soft water

(3) checking the penetration of ultra-violet rays to the earth Explanation: Ozone in the ozone layer filters out sunlight wavelengths from about 200 nm UV rays to 315 nm, with ozone peak absorption at about 250 nm. This ozone UV absorption is important to life, since it extends the absorption of UV by ordinary oxygen and nitrogen in air (which absorbs all wavelengths < 200 nm) through the lower UV-C (200 nm-280 nm) and the entire UV-B band (280 nm-315 nm).

Description : (3) checking the penetration of ultra-violet rays to the earth Explanation: Ozone in the ozone layer filters out sunlight wavelengths from about 200 nm UV rays to 315 nm, with ozone peak absorption at about 250 nm. This ... the lower UV-C (200 nm-280 nm) and the entire UV-B band (280 nm-315 nm).

Last Answer : The advantage of detergents over soaps is – (1) Detergents are soluble in water (2) Detergents could not give much lather (3) Detergents give lather even with hard water (4) Soaps give lather with only soft water

(4) sodium chloride contains hygroscopic impurities like magnesium chloride Explanation: Table salt is refined salt, which contains about 97 to 99 percent sodium chloride. It usually contains substances that make it freeflowing (anticaking agents) such as sodium aluminosilicate or magnesium carbonate. Because of Hygroscopic nature of salt it become wet in rainy season as the salt absorbs moisture from environment.

Description : (4) sodium chloride contains hygroscopic impurities like magnesium chloride Explanation: Table salt is refined salt, which contains about 97 to 99 percent sodium chloride. It usually contains substances that ... of salt it become wet in rainy season as the salt absorbs moisture from environment.

Last Answer : Which of the following could be used as fuel in propellant or rockets? (1) Liquid Hydrogen + Liquid Nitrogen (2) Liquid Oxygen + Liquid Argon (3) Liquid Nitrogen + Liquid Oxygen (4) Liquid Hydrogen + Liquid Oxygen

Soap helps in better cleaning of clothes because - (1) Soap acts like catalyst (2) It reduces the surface tension of solution (3) It gives strength to solution (4) It absorbs the dirt

Description : Soap helps in better cleaning of clothes because - (1) Soap acts like catalyst (2) It reduces the surface tension of solution (3) It gives strength to solution (4) It absorbs the dirt

Last Answer : (2) It reduces the surface tension of solution Explanation: Soaps are effective cleaners because they can dissolve and the oil and grease that holds dirt in place. They reduce the surface tension of the ... surfactant molecules help water to get a hold of grease, break it up, and wash it away.

Endothermic refers to a process that w) does work x) gives off heat y) loses mass z) absorbs heat

Description : Endothermic refers to a process that w) does work x) gives off heat y) loses mass z) absorbs heat 

Last Answer : ANSWER: Z -- ABSORBS HEAT

Soap helps in better cleaning of clothes because (1) Soap acts like catalyst (2) It reduces the surface tension of solution (3) It gives strength to solution (4) It absorbs the dirt

Description : Soap helps in better cleaning of clothes because (1) Soap acts like catalyst (2) It reduces the surface tension of solution (3) It gives strength to solution (4) It absorbs the dirt

Last Answer : It reduces the surface tension of solution

It is dangerous to observe solar eclipse with naked eyes because – (1) Infrared radiations from sun burn our retina (2) Ultraviolet radiations from Sun burn our retina (3) All radiations from sun initiate chemical reactions in eyes (4) Cosmic rays reach eyes more during the eclipse

Description : It is dangerous to observe solar eclipse with naked eyes because – (1) Infrared radiations from sun burn our retina (2) Ultraviolet radiations from Sun burn our retina (3) All radiations from sun initiate chemical reactions in eyes (4) Cosmic rays reach eyes more during the eclipse

Last Answer : (2) Ultraviolet radiations from Sun burn our retina Explanation: The solar radiation that reaches the surface of Earth ranges from ultraviolet (UV) radiation at wavelengths longer than 290 nm to radio ... of the Sun during an eclipse is for the development of "eclipse blindness" or retinal burns.

Radioactive elements emit – (1) Radiowaves (2) Infrared waves (3) Ultraviolet waves (4) α, β and γ radiations

Description : Radioactive elements emit – (1) Radiowaves (2) Infrared waves (3) Ultraviolet waves (4) α, β and γ radiations

Last Answer : (4) α, β and γ radiations Explanation: The phenomenon of spontaneous emission of certain kinds of radiations by some elements is called radioactivity and the elements emitting such radiations are called ... the radioactive substances are separated in to three types, called a, b and g rays.

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.

Consider (R)- and (S)-2-butanol. Which physical property distinguishes the two compounds? (a) melting point(b) solubility in common solvents(c) Rotation of plane-polarized light(d) Infrared spectrum

Description : Consider (R)- and (S)-2-butanol. Which physical property distinguishes the two compounds? (a) melting point (b) solubility in common solvents (c) Rotation of plane-polarized light (d) Infrared spectrum

Last Answer : Rotation of plane-polarized light

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

Can thick diapers absorbs much more than a thin diaper?

Description : Can thick diapers absorbs much more than a thin diaper?

Last Answer : Put one of each on, soil yourself, and post some pictures. Then we can make that determination.

A black surface absorbs more heat radiations as compared to a white or a reflecting surface under identical conditions. List two solar devices which make use of this property in their design. -Science

Description : A black surface absorbs more heat radiations as compared to a white or a reflecting surface under identical conditions. List two solar devices which make use of this property in their design. -Science

Last Answer : Solar cooker, solar water heater.

What is the The chemical part of the dye that absorbs light and produces colour called? -Do You Know?

Description : What is the The chemical part of the dye that absorbs light and produces colour called? -Do You Know?

Last Answer : answer:

When chlorophyll absorbs light, what does it gets excited and emits? -Do You Know?

Description : When chlorophyll absorbs light, what does it gets excited and emits? -Do You Know?

Last Answer : answer:

which object absorbs the most sound waves?

Description : which object absorbs the most sound waves?

Last Answer : earplugs

In which process of plant protoplasm and cell wall absorbs water ?

Description : In which process of plant protoplasm and cell wall absorbs water ?

Last Answer : The plant absorbs water in the process of protoplasm and cell wall adsorption.

Which element in the atmosphere absorbs ultraviolet rays ?

Description : Which element in the atmosphere absorbs ultraviolet rays ?

Last Answer : Ozone in the atmosphere absorbs ultraviolet rays.

What does an object look like when it absorbs all the light ?

Description : What does an object look like when it absorbs all the light ?

Last Answer : An object appears black when it absorbs all the light.

Which animal absorbs water through its skin ?

Description : Which animal absorbs water through its skin ?

Last Answer : Molecule absorbs water through the skin.

Which element absorbs water vapor ?

Description : Which element absorbs water vapor ?

Last Answer : : The solid absorbs the main water vapor