Nuclear Energy

Q.

Which of the following is not derived from the Sun?

1. Solar energy

2. Nuclear energy

3. Tidal energy

4. Wind Energy

Q.

What is the equation which governs nuclear fission reaction?

1. $E=mc$

2. $E=m$

3. $E=m{c}^2$

4. $m=Ec$

Q.

A nucleus breaks into two parts whose velocities are in the ratio 2 : 1. The ratio of their radius is

1. $1:2^{\frac{2}{3}}$

2. $2^{\frac{2}{3}}:1$

3. $1:2^{\frac{1}{3}}$

4. $2^{\frac{1}{2}}:1$

Q.

What are the ways to harness nuclear energy?

1. fusion reaction

2. fission reaction

3. precipitation reaction

4. Both a and b

Q.

In nuclear fission, which will have greater mass among reactant and product ?

1. Product

2. Reactant

3. Both have same mass

4. Depends on reaction

Q.

The fuel used in a nuclear reactor is ______.

1. Radium

2. Uranium

3. Thorium

4. Cadmium

Q.

Which of the following elements can be raw material for nuclear fusion reaction?

1. Deuterium
2. Thorium
3. Uranium
4. Carbon

Q. What is used as a fuel in a nuclear reactor?

1. Cadmium
2. Radium
3. Uranium
4. Mercury

Q.

The energy which is not derived from the sun is

1. bio-mass

2. fossil fuels

3. geo-thermal energy

4. nuclear energy

Q.

Why nuclear energy can not be used directly to cook food?

1. Energy generated is in huge amount so won't be economical to cook food

2. very less amount of heat generated

3. air pollution

4. all of these.