Solar Energy

Q.

What is the solar cell principle?

Q.

What is solar energy? What is its significance?

Q.

How do you classify solar energy devices? Explain.

Q. What is a photochemical reaction?

Q. Which one of the following is an inexhaustible natural resource?

1. Wind energy
2. Coal
3. Petroleum
4. Uranium

Q. Which of the following is an exhaustible energy resource?

1. Sun
2. Coal
3. Wind
4. Tide

Q.

What is the primary source of energy ?

1. Tides
2. Cow dunk
3. Wood
4. Sun

Q. The main source of energy for all living beings on earth is:

1. bio energy
2. hydral energy
3. wind energy
4. solar energy

Q. Which of the following is an exhaustible energy resource?

1. Sun
2. Coal
3. Wind
4. Tide

Q. Explain why fossil fuels are exhaustible natural resources

Q. Energy resources and fossil fuels.

Q. Dimensions of solar constant are:

1. $\left[M^0{L}^{0}T\right]$
2. $\left[M^1{L}^1{T}^{-2}\right]$
3. $\left[M^1{T}^{-3}\right]$
4. $\left[M^1{L}^{-1}{T}^{-2}\right]$

Q. Which of the following is an exhaustible energy resource?

1. Sun
2. Tide
3. Wind
4. Coal

Q. A solar cell converts:

1. solar energy into electrical energy
2. heat energy into electrical energy
3. heat energy into light energy
4. solar energy into light energy

Q. What is a photochemical reaction?