An average % of solar radiation reaching to the earth

An average % of solar radiation reaching to the earth
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To what does the atmosphere's "greenhouse effect" refer to? w) the fact that ozone reflects ultraviolet radiation x) the fact that air prevents heat from leaving the earth y) the fact that clouds prevent sunlight from reaching the earth z) the fact that green plants use sunlight to produce food

Description : To what does the atmosphere's "greenhouse effect" refer to? w) the fact that ozone reflects ultraviolet radiation x) the fact that air prevents heat from leaving the earth y) the fact that clouds prevent sunlight from reaching the earth z) the fact that green plants use sunlight to produce food

Last Answer : ANSWER: X -- THE FACT THAT AIR PREVENTS HEAT FROM LEAVING THE EARTH 

Total incoming solar radiation is measured by

Description : Total incoming solar radiation is measured by

Last Answer : Ans. Pyranometer

What is the wavelength of visible solar radiation?

Description : What is the wavelength of visible solar radiation?

Last Answer : Ans. 0.39-0.7 nm

What percent of earth's radiation is lost before reaching earth's surface?

Description : What percent of earth's radiation is lost before reaching earth's surface?

Last Answer : 25% is absorbed by clouds.25% is reflected by clouds.So 50% of the sun's radiation is lost before it reaches earth's surface.See the diagram link below.

Ultra violet light of Sun's radiation is prevented from reaching the earth's atmosphere by the layer of – (1) Oxygen (2) Hydrogen (3) Ozone (4) Helium

Description : Ultra violet light of Sun's radiation is prevented from reaching the earth's atmosphere by the layer of – (1) Oxygen (2) Hydrogen (3) Ozone (4) Helium

Last Answer : (3) Ozone Explanation: The ozone layer is a layer in Earth's atmosphere containing relatively high concentrations of ozone (03). The layer absorbs 97-99% of the Sun's medium-frequency ultraviolet light (from about 200 nm to 315 nm wavelength), which potentially damages exposed life forms on Earth.

Ultra violet light of Sun’s radiation is prevented from reaching the earth’s atmosphere by the layer of (1) Oxygen (2) Hydrogen (3) Ozone (4) Helium

Description : Ultra violet light of Sun’s radiation is prevented from reaching the earth’s atmosphere by the layer of (1) Oxygen (2) Hydrogen (3) Ozone (4) Helium 

Last Answer : Ozone

The soil having PD 2.50 g/cc and BD 1.25 g/cc will have _____ % porosity.

Description : The soil having PD 2.50 g/cc and BD 1.25 g/cc will have _____ % porosity.

Last Answer : Ans. 50

In the atmosphere, which of the following gases account for about 99.0 % per cent by volume?

Description : In the atmosphere, which of the following gases account for about 99.0 % per cent by volume?

Last Answer : Ans. Nitrogen, Oxygen, Carbon dioxide

The average speed of a bus in the upward journey is 50% more than that in the return journey. The bus halts for 2 hrs on reaching the destination. The total time taken for the complete to and from trip is 34 hrs covering a distance of 1600 km. the speed of the bus in the upward journey is. a) 63.24 b) 65.67 c) 63.49 d) 62.49

Description : The average speed of a bus in the upward journey is 50% more than that in the return journey. The bus halts for 2 hrs on reaching the destination. The total time taken for the complete to and from trip is 34 hrs ... speed of the bus in the upward journey is. a) 63.24 b) 65.67 c) 63.49 d) 62.49

Last Answer : D Let the speed in return journey be x km/hr Then speed in upward journey = 150 /100 x = (3/2 x)km/hr Average speed = (2*3x/2*x) / (3x/2 +x) =3x2 / (5x/2) =6x2 / 5x =6x/5 km/hr Therefore (1600 ... 192x = 8000 X = 41.66 Speed in upward journey = (3/2 x ) km/hr =(3/2*41.66) =62.49 km/hr 

Why is it important that some solar radiation hitting earth returns to space?

Description : Why is it important that some solar radiation hitting earth returns to space?

Last Answer : Need answer

What location on Earth receives roughly the same amount of solar radiation year-round?

Description : What location on Earth receives roughly the same amount of solar radiation year-round?

Last Answer : Feel Free to Answer

Some areas of the Earth receive more solar radiation than others. Which of the following results from the Sun's uneven heating of the Earth?

Description : Some areas of the Earth receive more solar radiation than others. Which of the following results from the Sun's uneven heating of the Earth?

Last Answer : climate

Solar energy is received by the earth through – (1) conduction (2) radiation (3) convection (4) refraction

Description : Solar energy is received by the earth through – (1) conduction (2) radiation (3) convection (4) refraction

Last Answer : (2) radiation Explanation: In physics, radiation is a process in which energetic particles or energetic, waves travel through vacuum, or through mattercontaining media that are not required for ... Earth receives 174 petawatts (PW) of incoming solar radiation (insolation) at the upper atmosphere.

The solar radiation coming to Earth is called – (1) Radiant energy (2) Insolation (3) Sunshine (4) Terrestrial radiation

Description : The solar radiation coming to Earth is called – (1) Radiant energy (2) Insolation (3) Sunshine (4) Terrestrial radiation

Last Answer : (2) Insolation Explanation: Insolation is the solar radiation that reaches the earth's surface. It is measured by the amount of solar energy received per square centimetre per minute. Insolation affects ... the rays of sunlight, the insolation is reduced in proportion to the cosine of the angle.

Which one of the following statements is correct? (A) During the day, earth reflects solar radiation (B) During the day, earth reflects both solar radiations the emission from its surface (C) During the night, earth emits radiation from its surface (D) All of these

Description : Which one of the following statements is correct? (A) During the day, earth reflects solar radiation (B) During the day, earth reflects both solar radiations the emission from its surface (C) During the night, earth emits radiation from its surface (D) All of these

Last Answer : Answer: Option D

The Greenhouse Effect is caused primarily by which of the following processes? w) blocking incoming short wave solar energy x) absorbing incoming short wave solar energy y) heating of the Earth's stratosphere z) absorbing outgoing long wave radiation from the Earth

Description : The Greenhouse Effect is caused primarily by which of the following processes? w) blocking incoming short wave solar energy x) absorbing incoming short wave solar energy y) heating of the Earth's stratosphere z) absorbing outgoing long wave radiation from the Earth

Last Answer : ANSWER: Z -- ABSORBING OUTGOING LONG WAVE RADIATION FROM THE EARTH 

The solar radiation coming to Earth is called (1) Radiant energy (2) Insolation (3) Sunshine (4) Terrestrial radiation

Description : The solar radiation coming to Earth is called (1) Radiant energy (2) Insolation (3) Sunshine (4) Terrestrial radiation 

Last Answer : Insolation

Solar energy is received by the earth through (1) conduction (2) radiation (3) convection (4) refraction

Description : Solar energy is received by the earth through (1) conduction (2) radiation (3) convection (4) refraction

Last Answer : radiation

Photosynthesis active radiation (PAR) occurs at

Description : Photosynthesis active radiation (PAR) occurs at

Last Answer : Ans. 400-700 nm

The radiation in the sunlight that gives us the feeling of hotness is

Description : The radiation in the sunlight that gives us the feeling of hotness is

Last Answer : Ans. Infra-red

The sun appears red at sunrise and sunset while it appears white at noon because of _____ A. Refraction B. It is cooler at sunrise and at sunset C. Diffraction leading to red end of the spectrum reaching the earth D. Scattering of light due to dust particles and air molecules

Description : The sun appears red at sunrise and sunset while it appears white at noon because of _____ A. Refraction B. It is cooler at sunrise and at sunset C. Diffraction leading to red end of the spectrum reaching the earth D. Scattering of light due to dust particles and air molecules

Last Answer : ANSWER: D

The sun appears red at sunrise and sunset while it appears white at noon, because A. Of refraction B. It is cooler at sunrise and at sunset C. Of diffraction leading to red end of the spectrum reaching the earth. D. Of Scattering of light due to dust particles and air molecules?

Description : The sun appears red at sunrise and sunset while it appears white at noon, because A. Of refraction B. It is cooler at sunrise and at sunset C. Of diffraction leading to red end of the spectrum reaching the earth. D. Of Scattering of light due to dust particles and air molecules?

Last Answer : C. Of diffraction leading to red end of the spectrum reaching the earth.

Solar heat treatment is used to control

Description : Solar heat treatment is used to control

Last Answer : Ans. Loose smut of wheat

The value of solar constant is

Description : The value of solar constant is

Last Answer : Ans. 1.94 cal/cm2 /min

Who discovered solar energy?

Description : Who discovered solar energy?

Last Answer : Ans. Auguste Mouchout

The sun is containing ---- % mass of the solar system? A. 75.24% B. 79.36% C. 89.10% D. 99.86% (Answer)

Description : The sun is containing ---- % mass of the solar system? A. 75.24% B. 79.36% C. 89.10% D. 99.86% (Answer)

Last Answer : D. 99.86% (Answer)

Which is used to measure the average relationship between two or more variables?

Description : Which is used to measure the average relationship between two or more variables?

Last Answer : Ans. Regression

The average of the sum of squares of the deviation about mean

Description : The average of the sum of squares of the deviation about mean

Last Answer : Ans. Variance

Farming in an areas having average annual rainfall of £ 50 cm.

Description : Farming in an areas having average annual rainfall of £ 50 cm.

Last Answer : Ans. Dry farming

The average value for a character of the two parents of the concerned hybrid.

Description : The average value for a character of the two parents of the concerned hybrid.

Last Answer : Ans. Mid parent/Average Heterosis

An average size of rain drop

Description : An average size of rain drop

Last Answer : Ans. 2 mm dia

Average annual rainfall of India

Description : Average annual rainfall of India

Last Answer : Ans. 400 Mha-m.

Which affects global climate more, human activity or solar radiation?

Description : Which affects global climate more, human activity or solar radiation?

Last Answer : answer:Solar radiation in that we would not have a climate without it. But solar radiation has been constant for billions of years. Human activity is altering the climate from the baseline created by solar radiation.

Of the total incident solar radiation the proportion of PAR is:

Description : Of the total incident solar radiation the proportion of PAR is:

Last Answer : Of the total incident solar radiation the proportion of PAR is: A. More than `80%` B. About `70%` C. About `60%` D. Less than `50%`

How do you protect a commercial jet from solar Radiation?

Description : How do you protect a commercial jet from solar Radiation?

Last Answer : What is the answer ?

Why does the solar eclipse produce radiation?

Description : Why does the solar eclipse produce radiation?

Last Answer : What is the answer ?

Which of the following crop geometry ensures uniform solar radiation availability to crop?

Description : Which of the following crop geometry ensures uniform solar radiation availability to crop?

Last Answer : Ans.Square

The tail of a comet always points away from the sun due to (a) force of repulsion (b) centrifugal force (c) solar radiation and solar wind (d) an unknown reason

Description : The tail of a comet always points away from the sun due to (a) force of repulsion (b) centrifugal force (c) solar radiation and solar wind (d) an unknown reason

Last Answer : Ans:(c)

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)

In which of the following layer of atmosphere the absorption and scattering of the solar ultraviolet radiation takes place? (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Thermosphere

Description : In which of the following layer of atmosphere the absorption and scattering of the solar ultraviolet radiation takes place? (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Thermosphere

Last Answer : (2) Stratosphere Explanation: Solar ultraviolet radiation undergoes absorption and scattering as it passes through the stratospheric layer of the earth's atmosphere. The ozone layer, a region of Earth's ... result, no UV radiation at wavelengths shorter than 290 nm reaches the surface of the earth.

Green House Effect' means (1) Pollution in houses in tropical region (2) Prevention of ultraviolet radiation by the ozone layer (3) Trapping of solar energy due to atmospheric gases (4) Damage to green painted buildings

Description : Green House Effect' means (1) Pollution in houses in tropical region (2) Prevention of ultraviolet radiation by the ozone layer (3) Trapping of solar energy due to atmospheric gases (4) Damage to green painted buildings

Last Answer : (3) Trapping of solar energy due to atmospheric gases Explanation: The greenhouse effect occurs when Earth's atmosphere traps solar radiation because of the presence of certain gases, causing the ... , nitrous oxide (N2O) and other gases, ac-cording to the Environmental Protection Agency (EPA

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.

Knot is a measure of – (1) The speed of ship (2) The curvature of spherical objects (3) Solar radiation (4) Intensity of earthquake shock

Description : Knot is a measure of – (1) The speed of ship (2) The curvature of spherical objects (3) Solar radiation (4) Intensity of earthquake shock

Last Answer : (1) The speed of ship Explanation: The knot (pronounced not) is a unit of speed equal to one nautical mile (1.852 km) per hour, approximately 1.151 mph. There is no standard abbreviation but km is commonly used. The knot is a non-SI unit accepted for use with the International System of Units (SI).

The word 'insulation' means – (1) matters which insulate (2) incoming solar radiation (3) insoluble matters (4) None of the above

Description : The word 'insulation' means – (1) matters which insulate (2) incoming solar radiation (3) insoluble matters (4) None of the above

Last Answer : (2) incoming solar radiation Explanation: Insolation is the solar radiation that reaches the earth's surface. It is measured by the amount of solar energy received per square centimeter per minute. Insolation affects temperature. The more the insolation, the higher is the temperature.

Knot is a measure of – (1) Unit of speed (2) the curvature of spherical objects (3) solar radiation (4) intensiry of earthquake shock

Description : Knot is a measure of – (1) Unit of speed (2) the curvature of spherical objects (3) solar radiation (4) intensiry of earthquake shock

Last Answer : (1) Unit of speed Explanation: The Knot is a unit of speed equal to one nautical mile per hour. The ISO standerd symbol for the knot is Kn.

Pycnometer is an instrument used to measure the – (1) Density (2) Intensity of solar radiation (3) Intensity of earthquake (4) High temperatures

Description : Pycnometer is an instrument used to measure the – (1) Density (2) Intensity of solar radiation (3) Intensity of earthquake (4) High temperatures

Last Answer : (1) Density Explanation: A gas pycnometer is a laboratory device used for measuring the density - or more accurately the volume - of solids, be they regularly shaped, porous or non-porous, ... , employing some method of has displacement and the volume-pressure relationship known as Boyle's Law.

The device which is used to store the heat generated by radiation of solar energy is called

Description : The device which is used to store the heat generated by radiation of solar energy is called

Last Answer : solar collector.

Of the total incident solar radiation the proportion of PAR is (a) about 70% (b) about 60% (c) less than 50% (d) more than 80%.

Description : Of the total incident solar radiation the proportion of PAR is (a) about 70% (b) about 60% (c) less than 50% (d) more than 80%.

Last Answer : (c) less than 50%

The concept of chemical evolution is based on (a) interaction of water, air and clay under intense heat (b) effect of solar radiation on chemicals (c) possible origin of life by combination of chemicals under suitable environmental conditions (d) crystallisation of chemicals.

Description : The concept of chemical evolution is based on (a) interaction of water, air and clay under intense heat (b) effect of solar radiation on chemicals (c) possible origin of life by combination of chemicals under suitable environmental conditions (d) crystallisation of chemicals.

Last Answer : (c) possible origin of life by combination of chemicals under suitable environmental conditions

Hygrometer is used to measure a. Pressure b. Humidity c. Wind speed d. Solar radiation

Description : Hygrometer is used to measure a. Pressure b. Humidity c. Wind speed d. Solar radiation

Last Answer : Humidity