Question

please explain class 7 ch 15 light​

Answer 1

Hey Mate

Light is a form of energy which gives us sensation of sight. We can't see light, but objects around us can only be seen in presence of Light

Light travels in straight lines. This is called rectilinear propagation of light.

• The medium through which light passes easily is called transparent medium

The returning if Light in the same medium is called Reflection of light.

Answer 2

Answer:

Light is the form of energy. It travels in a straight line.