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Green Energy for a Sustainable Future

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1

.................... contribute to the absorption of solar radiation at the earth’s surface?

Ozone
Water vapors
Carbon dioxide
All of the above

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2

Solar energy is radiated by clouds and earth in the form of ....................

long wave energy
extreme wave energy
short wave energy
wave energy

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3

What is the name of the instrument used to measure solar radiation flux?

Sunshine recorder
Pyranometer
Anemometer
None of the above

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4

What is the efficiency of the solar cell?

25 %
15 %
50 %
70 %

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5

What type of reflecting mirrors is used for using solar energy?

Heliostats
Ponds
Diffusers
Mantle

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6

The scattered solar radiation is known as ..................

Beam Radiation
Infrared radiation
Direct radiation
Diffuse radiation

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7

………. solar radiation reaches the surface without being scattered or absorbed.

Beam Radiation
Diffuse radiation
Ultraviolet radiation
Infrared radiation

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8

Solar energy is radiated from the sun in the form of .........

Ultraviolet Radiation
Electromagnetic waves
Infrared radiation
All of the above

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9

Which of the following statement is true for solar energy?

It is becoming cost-effective to produce photovoltaic cells
Solar energy can replace all of the energy created by fossil fuels by 2030
Most solar panels convert more than 25% of the light that strikes them

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10

The following type of energy is stored as latent heat:

Electrical energy
Chemical energy
Thermal energy
Mechanical energy

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