Question

Light is an invisible energy that causes in us the sensation of vision.

• A. True
• B. False

Answer 1

The correct option is A True

1. Light is a form of energy that enables us to see the things around us.
2. When light strikes any surface it reflects back and reaches our eyes so that we can see the objects.
3. Light is an invisible energy that causes in us the sensation of vision.
4. Light travels in a straight line due to this property shadows are formed.
5. Light is an electromagnetic wave.
6. The speed of light is $3\times {10}^{8}m/s$ in air or vacuum.
7. The speed of light changes while going from one medium to another medium.

Hence, light is an invisible energy that causes in us the sensation of vision, so the statement of the question is true.