Refraction at Plane Surfaces Multiple Choice Questions with Answers – PDF Download

MCQ 1: An optical medium where the speed of light is slower than another is said to be:

1. optically high
2. optically denser
3. optically wider
4. optically balanced

MCQ 2: The ratio (speed of light in air or vacuum/speed of light in a medium) is equal to:

1. regular reflection
2. reflective index
3. refractive index
4. regular refraction

MCQ 3: The incident ray, refracted ray and the normal ray all lie on the same plane, as per:

1. first law of refraction
2. first law of reflection
3. second law of reflection
4. second law of refraction

MCQ 4: The bending effect of light as it passes from one transparent material into other is known as:

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

MCQ 5: As per second law of refraction, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is:

1. reflected ray
2. incident ray
3. equal to focal length
4. a constant