Total Internal Reflection MCQs Test and Answers pdf Download

Practice total internal reflection MCQs and physics for test prep and learning. Free geometrical optics notes has multiple choice questions (MCQ) with total internal reflection quiz as if angle of incidence become larger than critical angle then phenomena of with answering options reflection occurs, refraction occurs, total internal reflection occurs and reflection and refraction occurs simultaneously for exam preparation. Study to learn total internal reflection quiz with MCQs to find questions answers based online tests.

MCQs on Total Internal Reflection

MCQ. If angle of incidence become larger than critical angle then phenomena of

  1. reflection occurs
  2. refraction occurs
  3. total internal reflection occurs
  4. reflection and refraction occurs simultaneously

C

MCQ. In fiber optic thread, refractive index of inner core is

  1. less than cladding
  2. equal to cladding
  3. both A and B
  4. higher than cladding

D

MCQ. Angle of incidence that causes refracted ray to bend through 90° is called

  1. acute angle
  2. obtuse angle
  3. perpendicular
  4. critical angle

D

MCQ. Critical angle of water when refracted angle is 90° and refractive index for water and air is 1.33 and 1 is

  1. 48.8°
  2. 49.1°
  3. 50°
  4. 51°

A

MCQ. Critical angle for glass is

  1. 50°
  2. 42°
  3. 45°
  4. 30°

B