Energy CAMBRIDGE

State the principle of conservation of energy.

___________ is the formula of Kinetic Energy.

• (1/4)mv^2

• mgh

• mv^2

• (1/2)mv^2

__________ is possessed by a simple pendulum, when it is at the mean position.

• PE

• Sound energy

• KE

• PE+KE

Write 2 applications of evaporative cooling.

What is Thermal Energy?

PE = mass x gravitational field x __________

• Displacement

• Height

• Acceleration

• Velocity

Name the physical quantity that has the same unit as of work i.e. Joule?

• Force

• Velocity

• Power

• Energy

What is the commercial unit of energy consumption in industries?

• KW-h

• KW

• Joule

• W

Complete this blank.

1KJ = _________J

Draw a diagram showing the following:

1. 1. Conduction

2. 2. Convection

3. 3. Radiation

4. 4. Evaporation