Refraction of Light Multiple Choice Questions (MCQ) PDF Download

MCQ 1: To describe the change in speed of light in a medium, the term used is called index of

1. reflection
2. refraction
3. diffraction
4. acoustics

MCQ 2: The speed of light in air is approximately

1. 3.0 × 10⁸ m s^-1
2. 4.0 × 10⁸ m s^-1
3. 3.0 × 10⁵ m s^-1
4. 5.0 × 10⁸ m s^-1

MCQ 3: The speed of light in glass is approximately

1. 3.0 × 10⁸ m s^-1
2. 2.3 × 10⁸ m s^-1
3. 2.0 × 10⁸ m s^-1
4. 2.6 × 10⁵ m s^-1

MCQ 4: The speed of light in water is approximately

1. 2.3 × 10⁸ m s^-1
2. 3.3 × 10⁸ m s^-1
3. 2.3 × 10⁵ m s^-1
4. 4.3 × 10⁸ m s^-1

MCQ 5: Speed of light in air/speed of light in a medium is equal to the index of

1. defraction
2. acoustics
3. reflection
4. refraction