Dissipation of Energy
Dissipation of Energy: Overview
This Topic covers sub-topics such as Energy Loss Due to Friction, Cause behind Dissipation of Light Energy and Sound Energy and, Cause behind Dissipation of Electrical Energy
Important Questions on Dissipation of Energy
What happens to energy when there is friction?

In an electric bulb, electrical energy is dissipated in the form of heat.

How does distance affect dissipation of sound?


_____ causes spatial damping of the sound waves.

How does an electric bulb get heated resulting in the dissipation of energy?

In an electric bulb, the useful energy is in the form of light and dissipated energy is in the form of _____.

What are the causes behind the dissipation of light energy?

What are the causes behind the dissipation of sound energy?

The body shape of fishes and birds help them to reduce friction.

Do objects lose energy to overcome friction? Explain.

The streamlined shape helps the objects to reduce the fluid friction.

Why does objects moving in fluids have special shapes?

Thermal energy is the form of energy dissipated from an electric bulb.

How is energy dissipated from an electric bulb?

When an object is travelling through a fluid, the frictional force depends upon _____.

To minimise the fluid friction on objects in motion while moving in liquid we can _____.

