Dispersion of Light Multiple Choice Questions Test 25 Tests pdf Download

Practice science test 25 on dispersion of light MCQs, grade 7 total internal reflection multiple choice questions and answers. Total internal reflection revision test has science worksheets, answer key with choices as 42°, 40°, 44° and 46° of multiple choice questions (MCQ) with total internal reflection quiz as the critical angle for perspex is for competitive exam prep. Free science study guide to learn total internal reflection quiz to attempt multiple choice questions based test.

MCQs on Dispersion of Light: Worksheets 25 Quiz pdf Download

MCQ. Critical angle for Perspex is

  1. 40°
  2. 42°
  3. 44°
  4. 46°

B

MCQ. When light enters a denser medium, it

  1. speeds up
  2. slows down
  3. increases its frequency
  4. increases its wavelength

B

MCQ. Critical angle for ice is

  1. 47°
  2. 49°
  3. 50°
  4. 45°

B

MCQ. Speed of light in vacuum is

  1. 3,000 km/s
  2. 30,000 km/s
  3. 300,000 km/s
  4. 3,000,000 km/s

C

MCQ. Refractive index of quartz is

  1. 1.54
  2. 1.34
  3. 2.04
  4. 1.72

A