Match the following columns:​

Column A	Column B
1. Running water ​	A. heat energy​
2. Burning​	B. vibrations​
3. Energy ​	C. atom bomb​
4. Sound energy ​	D. kinetic energy​
5. Nuclear energy ​	E. joule​

Q. Match the pairs.

Group 'A'	Group 'B'
(1) Rolling object	(a) Heat energy
(2) Food	(b) Atomic energy
(3) Stretched bow	(c) Kinetic energy
(4) Sunlight	(d) Potential energy
(5) Uranium	(e) Chemical energy

Q. When a body is in SHM, match the statements in Column A with that in Column B
Column A Column B
a) Velocity is maximum e) At half of the amplitude
b) Kinetic energy is f) At the mean position
3/4th of total energy
c) Potential energy is g) At extreme position
3/4th of total energy
d) Acceleration is h)At $\sqrt{3}/2$ times amplitude
maximum

Q. Match the following:
Column A. Column B
a.Heat energy. 1.Electric motor

b.Sound Energy 2.Electric bells

c.Magnetic Energy 3. Radio

d.Light energy. 4. Electric Iron

e. Mechanical Energy 5.Bulb

Q.

A satellite gets unstable in its orbit and starts burning while falling towards Earth. If the satellite had a potential energy of $1000joules$ initially and by the time it reaches the surface of the earth it attains a kinetic energy of $500joules$, then how much energy is spent in heating the satellite?

Q. Which of the following energy change involves frictional force?

(a) chemical energy to heat energy
(b) kinetic energy to heat energy
(c) potential energy to sound energy
(d) chemical energy to kinetic energy