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

Why is it important that some solar radiation hitting earth returns to space?
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A twin goes on a high speed space journey (near the speed of light) and returns to meet his twin who stayed on earth. At their meeting the traveling twin has: w) aged more than the earthbound twin x) aged less than the earthbound twin y) aged the same as the earthbound twin

Description : A twin goes on a high speed space journey (near the speed of light) and returns to meet his twin who stayed on earth. At their meeting the traveling twin has: w) aged more than the earthbound twin x) aged less than the earthbound twin y) aged the same as the earthbound twin

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What is the name given to the term that defines the proportion of the incident solar radiation which is diffusely reflected from the atmosphere and surface of the planet back into outer space?

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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?

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

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An average % of solar radiation reaching to the earth

Description : An average % of solar radiation reaching to the earth

Last Answer : Ans. 50

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

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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

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

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Description : What (if any) are the updates on the asteroid 2017 PDC hitting Earth in 2027 (this was previously given a 96% chance of hitting Earth)?

Last Answer : For reference: https://cneos.jpl.nasa.gov/pd/cs/pdc17/Chodas-Day2-Briefing.pd Excerpt: “Based on new tracking observations taken this week, IAWN has confirmed that asteroid 2017 PDC is on a course that almost certainly will impact the Earth on July 21, 2027”

What (if any) are the updates on the asteroid 2017 PDC hitting Earth in 2027 (this was previously given a 96% chance of hitting Earth)?

Description : What (if any) are the updates on the asteroid 2017 PDC hitting Earth in 2027 (this was previously given a 96% chance of hitting Earth)?

Last Answer : For reference: https://cneos.jpl.nasa.gov/pd/cs/pdc17/Chodas-Day2-Briefing.pd Excerpt: “Based on new tracking observations taken this week, IAWN has confirmed that asteroid 2017 PDC is on a course that almost certainly will impact the Earth on July 21, 2027”

What (if any) are the updates on the asteroid 2017 PDC hitting Earth in 2027 (this was previously given a 96% chance of hitting Earth)?

Description : What (if any) are the updates on the asteroid 2017 PDC hitting Earth in 2027 (this was previously given a 96% chance of hitting Earth)?

Last Answer : For reference: https://cneos.jpl.nasa.gov/pd/cs/pdc17/Chodas-Day2-Briefing.pd Excerpt: “Based on new tracking observations taken this week, IAWN has confirmed that asteroid 2017 PDC is on a course that almost certainly will impact the Earth on July 21, 2027”

What (if any) are the updates on the asteroid 2017 PDC hitting Earth in 2027 (this was previously given a 96% chance of hitting Earth)?

Description : What (if any) are the updates on the asteroid 2017 PDC hitting Earth in 2027 (this was previously given a 96% chance of hitting Earth)?

Last Answer : For reference: https://cneos.jpl.nasa.gov/pd/cs/pdc17/Chodas-Day2-Briefing.pd Excerpt: “Based on new tracking observations taken this week, IAWN has confirmed that asteroid 2017 PDC is on a course that almost certainly will impact the Earth on July 21, 2027”

What (if any) are the updates on the asteroid 2017 PDC hitting Earth in 2027 (this was previously given a 96% chance of hitting Earth)?

Description : What (if any) are the updates on the asteroid 2017 PDC hitting Earth in 2027 (this was previously given a 96% chance of hitting Earth)?

Last Answer : For reference: https://cneos.jpl.nasa.gov/pd/cs/pdc17/Chodas-Day2-Briefing.pd Excerpt: “Based on new tracking observations taken this week, IAWN has confirmed that asteroid 2017 PDC is on a course that almost certainly will impact the Earth on July 21, 2027”

What (if any) are the updates on the asteroid 2017 PDC hitting Earth in 2027 (this was previously given a 96% chance of hitting Earth)?

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How does the sun's radiation is reflected back into space by the earth?

Description : How does the sun's radiation is reflected back into space by the earth?

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The Set of actions for a problem in a state space is formulated by a ___________ a) Intermediate states b) Initial state c) Successor function, which takes current action and returns next immediate state d) None of the mentioned

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A ball thrown vertically upwards from a point P on earth reaches a point Q and returns back to earth striking at a point R.

Description : A ball thrown vertically upwards from a point P on earth reaches a point Q and returns back to earth striking at a point R.

Last Answer : A ball thrown vertically upwards from a point P on earth reaches a point Q and returns back to ... the motion of the ball (Neglect air resistance).

Which process of the hydrologic cycle returns water to the earth surface?

Description : Which process of the hydrologic cycle returns water to the earth surface?

Last Answer : precipitation A+

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

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

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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?

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Why does the solar eclipse produce radiation?

Description : Why does the solar eclipse produce radiation?

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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

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

What is the essential growth of and quantities development of fruits? a. Humidity b. Wind c. Solar Radiation d. Temperature e. Water

Description : What is the essential growth of and quantities development of fruits? a. Humidity b. Wind c. Solar Radiation d. Temperature e. Water

Last Answer : d. Temperature

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)

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

A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the (A) Global warming (B) Green house (C) Atmospheric effect (D) Ionosphere

Description : A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the (A) Global warming (B) Green house (C) Atmospheric effect (D) Ionosphere

Last Answer : (B) Green house