Tag: physics

Questions Related to physics

Water cannot be heated using a solar water heater on a.

physics solar equipment production of electricity from solar energy solar power alternate sources of energy solar power plant solar energy and its applications renewable and non-renewable resources renewable and non-renewable sources of energy generation of electricity

  1. windy day

  2. sunny day

  3. cloudy day

  4. hot day

Show answer
Correct Option: C
Explanation:

Solar water heater works on solar radiation falling on it. It requires solar light for generating enough heat to heat water. During cloudy days, Sun is obstructed by clouds, and the light incident of the solar panels will be inefficient to make the heater work.

A solar cell converts _______ energy into electrical energy.

physics solar equipment production of electricity from solar energy solar power alternate sources of energy solar power plant solar energy and its applications renewable and non-renewable resources renewable and non-renewable sources of energy generation of electricity

  1. light

  2. heat

  3. tidal

  4. potential

Show answer
Correct Option: A

State whether true or false.
A solar cell converts light energy into heat energy.

physics solar equipment production of electricity from solar energy solar power alternate sources of energy solar power plant solar energy and its applications renewable and non-renewable resources renewable and non-renewable sources of energy generation of electricity

  1. True

  2. False

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Correct Option: B

Which of the following devices converts solar energy into electrical energy?

physics solar equipment production of electricity from solar energy solar power alternate sources of energy solar power plant solar energy and its applications renewable and non-renewable resources renewable and non-renewable sources of energy generation of electricity

  1. Voltaic cell

  2. Lechlanche cell

  3. Dry cell

  4. Photo voltaic cell

Show answer
Correct Option: D

A solar cell converts solar energy into:

physics solar equipment production of electricity from solar energy solar power alternate sources of energy solar power plant solar energy and its applications renewable and non-renewable resources renewable and non-renewable sources of energy generation of electricity

  1. Chemical energy

  2. Light energy

  3. Electrical energy

  4. Muscular energy

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Correct Option: C

Photovoltaic cells produce electricity by using

physics solar equipment production of electricity from solar energy solar power alternate sources of energy solar power plant solar energy and its applications renewable and non-renewable resources renewable and non-renewable sources of energy generation of electricity

  1. Wind energy

  2. Solar energy

  3. Geothermal energy

  4. Mechanical energy of water

Show answer
Correct Option: B

A solar cell converts :

physics solar equipment production of electricity from solar energy solar power alternate sources of energy solar power plant solar energy and its applications renewable and non-renewable resources renewable and non-renewable sources of energy generation of electricity

  1. electrical energy into heat energy

  2. mechanical energy into electrical energy

  3. chemical energy into electrical energy

  4. none of these

Show answer
Correct Option: D

How is solar energy converted to electrical energy?

physics solar equipment production of electricity from solar energy solar power alternate sources of energy solar power plant solar energy and its applications renewable and non-renewable resources renewable and non-renewable sources of energy generation of electricity

  1. Using solar heating device

  2. Using solar cell

  3. Both A and B

  4. None of the above

Show answer
Correct Option: C
Explanation:

Solar heating device first converts heat energy of Sun to heat up a substance, which is then converted to electrical energy.

Solar cell converts light energy of Sun to electrical energy.

Why are a large number of solar cells are joined in a solar panel?

physics solar equipment production of electricity from solar energy solar power alternate sources of energy solar power plant solar energy and its applications renewable and non-renewable resources renewable and non-renewable sources of energy generation of electricity

  1. To reduce cost of production.

  2. To get more electricity.

  3. Its a tradition.

  4. None of the above.

Show answer
Correct Option: B
Explanation:

Solar panel uses multiple solar cells to increase electricity produced by the system.

How is more electricity production achieved with solar cell?

physics solar equipment production of electricity from solar energy solar power alternate sources of energy solar power plant solar energy and its applications renewable and non-renewable resources renewable and non-renewable sources of energy generation of electricity

  1. Joining many solar cells.

  2. Decreasing the surface area of solar cell.

  3. Rotating solar cell in random directions.

  4. Removing clouds.

Show answer
Correct Option: A
Explanation:

Solar panel uses multiple cells to add up electricity output from the system.