How is solar energy absorbed and emitted by Earth's surface?

How is solar energy absorbed and emitted by Earth's surface?
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What is the relationship of absorbed solar to outgoing infrared at the poles? (a) Absorbed Solar > emitted IR (b) Absorbed Solar <emitted IR (c) Absorbed Solar = emitted IR (d) This varies depending on time of year.

Description : What is the relationship of absorbed solar to outgoing infrared at the poles? (a) Absorbed Solar > emitted IR (b) Absorbed Solar

Last Answer : (b) Absorbed Solar

What is the relationship of absorbed solar to outgoing infrared in the tropics? (a) Absorbed Solar > emitted IR (b) Absorbed Solar < emitted IR (c) Absorbed Solar = emitted IR (d) It varies throughout the year.

Description : What is the relationship of absorbed solar to outgoing infrared in the tropics? (a) Absorbed Solar > emitted IR (b) Absorbed Solar < emitted IR (c) Absorbed Solar = emitted IR (d) It varies throughout the year.

Last Answer : (a) Absorbed Solar > emitted IR

To develop the correct mathematical description of the distribution of radiated energy of a blackbody with respect to wavelength for a given temperature, Planck found it necessary to assume that the molecular oscillators of the blackbody emitted and absorbed: w) no radiant energy x) radiant energy in discrete units or quanta y) radiant energy in a continuous form z) none of the above.

Description : To develop the correct mathematical description of the distribution of radiated energy of a blackbody with respect to wavelength for a given temperature, Planck found it necessary to assume that the molecular ... units or quanta y) radiant energy in a continuous form z) none of the above.

Last Answer : ANSWER: X -- RADIANT ENERGY IN DISCRETE UNITS OR QUANTA

What form is radiation emitted from the earth's surface back into the atmosphere?

Description : What form is radiation emitted from the earth's surface back into the atmosphere?

Last Answer : Heat rises from the surface of the earth in the form ofinfra-red radiation.

At Equilibrium, the radiation emitted must equal the radiation absorbed.  a. Boyle’s Law  b. Planck’s Law  c. Kirchoff’s Law  d. Joule’s Law

Description : At Equilibrium, the radiation emitted must equal the radiation absorbed.  a. Boyle’s Law  b. Planck’s Law  c. Kirchoff’s Law  d. Joule’s Law

Last Answer : Kirchoff’s Law

The branch of physics that deals with the investigation of wavelengths of electro magnetic radiation emitted or absorbed by atoms is known as a) spectroscopy b) astroscopy c) radioscopy d) stereoscopy

Description : The branch of physics that deals with the investigation of wavelengths of electro magnetic radiation emitted or absorbed by atoms is known as a) spectroscopy b) astroscopy c) radioscopy d) stereoscopy

Last Answer : a) spectroscopy

We can see non luminous object ,when the light a) emitted by the object falls on the eye . b) is reflected from the object towards eye . c) completely passes through the object . d) gets completely absorbed by object .

Description : We can see non luminous object ,when the light a) emitted by the object falls on the eye . b) is reflected from the object towards eye . c) completely passes through the object . d) gets completely absorbed by object .

Last Answer : b) is reflected from the object towards eye .

What refers to the heating of the earth’s atmosphere not caused by direct sunlight but by infrared light radiated by the surface and absorbed mainly by atmospheric carbon dioxide?  A. Greenhouse effect  B. Global warming  C. Thermal rise effect  D. Ozone effect

Description : What refers to the heating of the earth’s atmosphere not caused by direct sunlight but by infrared light radiated by the surface and absorbed mainly by atmospheric carbon dioxide?  A. Greenhouse effect  B. Global warming  C. Thermal rise effect  D. Ozone effect

Last Answer : Greenhouse effect

Photoelectric electricity is produced directly from solar energy when which of the following are absorbed in a semiconductor to create an electric current? w) protons x) electrons y) neutrons z) photons

Description : Photoelectric electricity is produced directly from solar energy when which of the following are absorbed in a semiconductor to create an electric current? w) protons x) electrons y) neutrons z) photons

Last Answer : ANSWER: Z -- PHOTONS

Which of the following are pertinent to the realization of hydrological cycle? 1. Latitudinal difference in solar heating of the Earth’s surface 2. Inclination of the Earth’s axis 3. Uneven distribution of land and water 4. Coriolis effect (a) 1, 2 & 3 only (b) 1, 2 & 4 only (c) 2, 3 & 4 only (d) 1, 2, 3 & 4

Description : Which of the following are pertinent to the realization of hydrological cycle? 1. Latitudinal difference in solar heating of the Earth's surface 2. Inclination of the Earth's axis 3. Uneven distribution of land and water 4. Coriolis effect (a) ... (b) 1, 2 & 4 only (c) 2, 3 & 4 only (d) 1, 2, 3 & 4

Last Answer : (b) 1, 2 & 4 only

Energy emitted per second per unit area by Rigal star in Constellation Orion is 17000 times that emited by the sun. What is the surface temperature of

Description : Energy emitted per second per unit area by Rigal star in Constellation Orion is 17000 times that emited by the sun. What is the surface temperature of

Last Answer : Energy emitted per second per unit area by Rigal star in Constellation Orion is 17000 times that emited by ... star if that of the sun is `6000K`?

On average, how do low clouds affect the surface temperature (compared to a clear sky)? (a) Low clouds warm the surface by increasing the greenhouse effect (b) Low clouds cool the surface by increasing the energy emitted to space (c) Low clouds cool the surface by increasing the albedo (d) It depends on whether they are comprised of ice or liquid water

Description : On average, how do low clouds affect the surface temperature (compared to a clear sky)? (a) Low clouds warm the surface by increasing the greenhouse effect (b) Low clouds cool the surface by ... surface by increasing the albedo (d) It depends on whether they are comprised of ice or liquid water

Last Answer : (c) Low clouds cool the surface by increasing the albedo

On average, how do high clouds affect the surface temperature (compared to a clear sky)? (a) High clouds warm the surface by increasing the greenhouse effect (b) High clouds cool the surface by increasing the energy emitted to space (c) High clouds cool the surface by increasing the albedo (d) It depends on whether they are comprised of ice or liquid water

Description : On average, how do high clouds affect the surface temperature (compared to a clear sky)? (a) High clouds warm the surface by increasing the greenhouse effect (b) High clouds cool the surface ... surface by increasing the albedo (d) It depends on whether they are comprised of ice or liquid water

Last Answer : High clouds warm the surface by increasing the greenhouse effect

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 

Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants? (a) Blue and green (b) Green and red (c) Red and violet (d) Violet and blue

Description : Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants? (a) Blue and green (b) Green and red (c) Red and violet (d) Violet and blue

Last Answer : (d) Violet and blue

High-frequencywaves are a. absorbed by the F2 layer b. reflected by the D layer c. capable of use for long-distance communications on the moon d. affected by the solar cycle

Description : High-frequencywaves are a. absorbed by the F2 layer b. reflected by the D layer c. capable of use for long-distance communications on the moon d. affected by the solar cycle

Last Answer : d. affected by the solar cycle

What percentage of the suns energy that reaches the earth is absorbed by earth surface?

Description : What percentage of the suns energy that reaches the earth is absorbed by earth surface?

Last Answer : About 50 percent of the Sun's incoming energy is absorbed by the Earth's surface. In addition, about 9 percent is reflected.About 22 percent of the Sun's incoming energy is reflected by clouds and the atmosphere.About 19 percent of the Sun's incoming energy is absorbed by clouds and the atmosphere.

What percentage of the suns energy that reaches the earth is absorbed by earth surface?

Description : What percentage of the suns energy that reaches the earth is absorbed by earth surface?

Last Answer : About 50 percent of the Sun's incoming energy is absorbed by the Earth's surface. In addition, about 9 percent is reflected.About 22 percent of the Sun's incoming energy is reflected by clouds and the atmosphere.About 19 percent of the Sun's incoming energy is absorbed by clouds and the atmosphere.

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

Crushing efficiency is the ratio of the (A) Surface energy created by crushing to the energy absorbed by the solid (B) Energy absorbed by the solid to that fed to the machine (C) Energy fed to the machine to the surface energy created by crushing (D) Energy absorbed by the solid to the surface energy created by crushing

Description : Crushing efficiency is the ratio of the (A) Surface energy created by crushing to the energy absorbed by the solid (B) Energy absorbed by the solid to that fed to the machine (C) Energy ... surface energy created by crushing (D) Energy absorbed by the solid to the surface energy created by crushing

Last Answer : (A) Surface energy created by crushing to the energy absorbed by the solid

Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its (A) Easier grindability (B) Poor grindability (C) High power consumption in grinding (D) None of these

Description : Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its (A) Easier grindability (B) Poor grindability (C) High power consumption in grinding (D) None of these

Last Answer : (A) Easier grindability

Rittinger number which designates the new surface produced per unit of mechanical energy absorbed by the material being crushed, depends on the (A) State or manner of application of the crushing force (B) Ultimate strength of the material (C) Elastic constant of the material (D) All (A), (B) and (C)

Description : Rittinger number which designates the new surface produced per unit of mechanical energy absorbed by the material being crushed, depends on the (A) State or manner of application of the crushing force (B) Ultimate strength of the material (C) Elastic constant of the material (D) All (A), (B) and (C)

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

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

Wavelength of radiation emitted by a body depends on the __________ of its surface. (A) Temperature (B) Area (C) Nature (D) All 'a', 'b' & 'c'

Description : Wavelength of radiation emitted by a body depends on the __________ of its surface. (A) Temperature (B) Area (C) Nature (D) All 'a', 'b' & 'c'

Last Answer : Option

The law that states “When visible light of high frequency electromagnetic radiation illuminates a metallic surface, electrons are emitted” is known as ____________. ∙ A. Einstein law of photon ∙ B. Marconi’s law ∙ C. Maxwell’s law ∙ D. Plank’s law

Description : The law that states “When visible light of high frequency electromagnetic radiation illuminates a metallic surface, electrons are emitted” is known as ____________. ∙ A. Einstein law of photon ∙ B. Marconi’s law ∙ C. Maxwell’s law ∙ D. Plank’s law

Last Answer : D. Plank’s law

“When visible light of high frequency electromagnetic radiation illuminates a metallic surface, electrons are emitted”

Description : “When visible light of high frequency electromagnetic radiation illuminates a metallic surface, electrons are emitted”

Last Answer : Plank’s law

Why is the ozone layer called the Earth's natural solar system ?

Description : Why is the ozone layer called the Earth's natural solar system ?

Last Answer : Ozone gas is formed in the stratosphere of the atmosphere by chemical reactions due to natural causes. The actual signal of ozone gas is O 3 . The thick layer of ozone gas is called the ozone layer. ... layer is immense. This is why the ozone layer is called the 'natural solar system of the earth'.

How The solar wind can interact with Earths magnetic field to create powerful electrical currents that cause what near the poles?

Description : How The solar wind can interact with Earths magnetic field to create powerful electrical currents that cause what near the poles?

Last Answer : Need answer

What is a Natural phenomenon where particles from solar activity interact with atoms in earths atmosphere to create bands of light?

Description : What is a Natural phenomenon where particles from solar activity interact with atoms in earths atmosphere to create bands of light?

Last Answer : color

What are the earth's two kinds of protection against solar winds?

Description : What are the earth's two kinds of protection against solar winds?

Last Answer : Earth itself is largely protected from the solar wind by its magnetic field, which deflects most of the charged particles; however some of the charged particles are trapped in the Van Allen radiation belt. XxBaby Dee

The pole star does not seem to move because (a) it is in line with the earth’s axis of rotation (b) it moves around the sun and not the earth (c) its movement can be seen only during a solar eclipse (d) it rotates very rapidly

Description : The pole star does not seem to move because (a) it is in line with the earth’s axis of rotation (b) it moves around the sun and not the earth (c) its movement can be seen only during a solar eclipse (d) it rotates very rapidly

Last Answer : Ans:(a)

In a solar or lunar eclipse, the region of earth's shadow is divided into – (1) Five parts (2) Four parts (3) Two parts (4) Three parts

Description : In a solar or lunar eclipse, the region of earth's shadow is divided into – (1) Five parts (2) Four parts (3) Two parts (4) Three parts

Last Answer : (4) Three parts Explanation: An eclipse occurs when a star (such as Sun) aligns with two celestial bodies, such as a planet and a moon. The closer body casts a shadow that intersects the more ... a solar eclipse, for example, the moon appears smaller than the sun, resulting in an annular eclipse.

Pick out the wrong statement. (A) Biological oxygen demand (B.O.D.) value of a sewerage sample is always lower than its chemical oxygen demand (C.O.D.) value (B) Environmental pollution by NOx emission is much higher by four stroke petrol engines as compared to the two stroke engines (C) Temperature in stratosphere rises with increasing altitude (D) The characteristic of a green house body is that it allows the long wavelength incoming solar radiation to come in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

Description : Pick out the wrong statement. (A) Biological oxygen demand (B.O.D.) value of a sewerage sample is always lower than its chemical oxygen demand (C.O.D.) value (B) Environmental pollution by ... in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

Last Answer : (D) The characteristic of a green house body is that it allows the long wavelength incoming solar radiation to come in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

In a solar or lunar eclipse, the region of earth’s shadow is divided into (1) Five parts (2) Four parts (3) Two parts (4) Three parts

Description : In a solar or lunar eclipse, the region of earth’s shadow is divided into (1) Five parts (2) Four parts (3) Two parts (4) Three parts

Last Answer : Three parts

In which transition minimum energy is emitted :-

Description : In which transition minimum energy is emitted :-

Last Answer : In which transition minimum energy is emitted :- A. `ooto1` B. `2to1` C. `3to2` D. `nto(n-1)[nge4]`

The nucleus `._(92)^(235)U` decays according to `._(92)^(238)U rarr ._(92)^(234)Th + ._(2)^(4)He`. Calculate the kinetic energy of the emitted `alpha`

Description : The nucleus `._(92)^(235)U` decays according to `._(92)^(238)U rarr ._(92)^(234)Th + ._(2)^(4)He`. Calculate the kinetic energy of the emitted `alpha`

Last Answer : The nucleus `._(92)^(235)U` decays according to `._(92)^(238)U rarr ._(92)^(234)Th + ._(2)^(4)He`. ... kg " " ._(2)^(4)He = 6.64807 xx 10^(-27)`

Taking the values of atomic masses from the tables, find the maximum kinetic energy of beta-particles emitted by `Be^(10)` nuclei formed directly in t

Description : Taking the values of atomic masses from the tables, find the maximum kinetic energy of beta-particles emitted by `Be^(10)` nuclei formed directly in t

Last Answer : Taking the values of atomic masses from the tables, find the maximum kinetic energy of beta- ... )` nuclei formed directly in the ground state.

An electron in an excited hydrogen atom acquired an energy of 12.1 eV. To what energy level did it jump? How many spectral lines may be emitted in the

Description : An electron in an excited hydrogen atom acquired an energy of 12.1 eV. To what energy level did it jump? How many spectral lines may be emitted in the

Last Answer : An electron in an excited hydrogen atom acquired an energy of 12.1 eV. To what ... to lower energy level? Calculate the corresponding wavelengths.

The energy emitted by the Sun is due to (1) Chemical reaction (2) Nuclear fission (3) Nuclear fusion (4) All of the above

Description : The energy emitted by the Sun is due to (1) Chemical reaction (2) Nuclear fission (3) Nuclear fusion (4) All of the above

Last Answer : (3) Nuclear fusion Explanation: The spectrum of the Sun's solar radiation is close to that of a black body with a temperature of about 5,800 K. The Sun emits Electromagnetic radiation across ... converted to lower energy photons before they reach the Sun's surface and are emitted out into space.

Which is the proper measurement of average power emitted by a pulsed laser? a. Energy x time b. Pulse energy x repetition rate c. Pulse energy / repetition rate d. Peak power x pulse length

Description : Which is the proper measurement of average power emitted by a pulsed laser? a. Energy x time b. Pulse energy x repetition rate c. Pulse energy / repetition rate d. Peak power x pulse length

Last Answer : b. Pulse energy x repetition rate

Pick out the wrong statement: (A) With change in temperature, the radiant energy emitted by a black body remains unchanged (B) Absorptivity of a body approaches unity in case of diffuse reflection (C) Absorptivity of a perfectly black body is unity (D) Value of Stefan-Boltzmann constant is 4.876 × 10 -8 KCal/m2 .hr.°K4

Description : Pick out the wrong statement: (A) With change in temperature, the radiant energy emitted by a black body remains unchanged (B) Absorptivity of a body approaches unity in case of diffuse reflection (C) Absorptivity of ... unity (D) Value of Stefan-Boltzmann constant is 4.876 10 -8 KCal/m2 .hr.°K4

Last Answer : (A) With change in temperature, the radiant energy emitted by a black body remains unchanged

. Radiation energy is emitted by all the substances, which are above (A) 0°K (B) 0°C (C) 100°C (D) Room temperature

Description : . Radiation energy is emitted by all the substances, which are above (A) 0°K (B) 0°C (C) 100°C (D) Room temperature

Last Answer : (A) 0°K

Which is the proper measurement of average power emitted by a pulsed laser? ∙ a. Energy x time ∙ b. Pulse energy x repetition rate ∙ c. Pulse energy / repetition rate ∙ d. Peak power x pulse length

Description : Which is the proper measurement of average power emitted by a pulsed laser? ∙ a. Energy x time ∙ b. Pulse energy x repetition rate ∙ c. Pulse energy / repetition rate ∙ d. Peak power x pulse length

Last Answer : ∙ b. Pulse energy x repetition rate

The X-rays emitted in inner shell transitions are called _____ as their energy depends upon the type of target material. a) gamma rays b) special X-rays c) Characteristic X-rays d) continuous X-rays

Description : The X-rays emitted in inner shell transitions are called _____ as their energy depends upon the type of target material. a) gamma rays b) special X-rays c) Characteristic X-rays d) continuous X-rays

Last Answer : c) Characteristic X-rays

By the transition of inner shell electrons in heavy atoms, high energy photons are emitted which are a) gamma rays b) X-rays c) radio waves d) photon rays

Description : By the transition of inner shell electrons in heavy atoms, high energy photons are emitted which are a) gamma rays b) X-rays c) radio waves d) photon rays

Last Answer : b) X-rays

Radiant energy emitted from a blackbody is only a function of what?

Description : Radiant energy emitted from a blackbody is only a function of what?

Last Answer : ANSWER: TEMPERATURE

The energy emitted by the Sun is due to (1) Chemical reaction (2) Nuclear fission (3) Nuclear fusion (4) All of the above

Description : The energy emitted by the Sun is due to (1) Chemical reaction (2) Nuclear fission (3) Nuclear fusion (4) All of the above

Last Answer : Nuclear fusion

Water on Earth's surface what because of thermal energy from the Sun?

Description : Water on Earth's surface what because of thermal energy from the Sun?

Last Answer : Evaporates, returning the atmosphere until it becomes saturated, at which point it will return to the ground as rain.

Derive an expression for binding energy of a body at rest on the Earth’s surface.

Description : Derive an expression for binding energy of a body at rest on the Earth’s surface.

Last Answer : Derive an expression for binding energy of a body at rest on the Earth’s surface.