Properties of Light

Q. Which of the following statements is true about light rays?

1. Intensity of light rays is affected by the wind.
2. Light rays travel along a straight line in a specific medium.
3. Light rays travel in a straight line on changing mediums.
4. Light rays follow a circular path around Earth's circumference.

Q. Write three important properties of light.

Q. Write three important properties of light.

Q.

A yellow source of light is placed in front of three cardboards having openings A, B, C and D, where A, C, D are collinear as shown below.

From which of the openings will the light source be visible?

1. A

2. B

3. C

4. D

Q. Light move in a straight line as long as the medium is same.

1. True
2. False

Q.

What do we see when we see beam of light

Q. Light can deflect from a straight path when obstructed by a particle of very small size.

1. False
2. True