Refraction of Light Multiple Choice Questions (MCQ) PDF Download

MCQ 1: If light enters any substance with refractive index, it is

1. perpendicular
2. at a certain angle
3. parallel
4. at critical angle

MCQ 2: If light enters a glass, it slows down more than

1. 200,000 km/s
2. 150,000 km/s
3. 100,000 km/s
4. 50,000 km/s

MCQ 3: The name given to a change in speed of light is known as

1. reflection
2. critical change
3. refraction
4. diffraction of light

MCQ 4: Ray of light is always refracted in

1. indefinite direction
2. definite direction
3. definite position
4. indefinite position

MCQ 5: The refraction of light has been proved by

1. Law of Einstein
2. Law of light
3. Law of Refraction
4. Law of Thomas