Cambridge IGCSE® Physics Coursebook Second Edition>Chapter 13 - Light>Questions

David Sang Solutions for Chapter: Light, Exercise 4: Questions

Author:David Sang

David Sang Physics Solutions for Exercise - David Sang Solutions for Chapter: Light, Exercise 4: Questions

Attempt the free practice questions on Chapter 13: Light, Exercise 4: Questions with hints and solutions to strengthen your understanding. Cambridge IGCSE® Physics Coursebook Second Edition solutions are prepared by Experienced Embibe Experts.

Questions from David Sang Solutions for Chapter: Light, Exercise 4: Questions with Hints & Solutions

HARD

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Physics Coursebook Second Edition>Chapter 13 - Light>Questions>Q 13.17

Explain the meaning of the words total and internal in the expression ' total internal reflection'.

MEDIUM

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Physics Coursebook Second Edition>Chapter 13 - Light>Questions>Q 13.18

The critical angle for water is $49 °$ . If a ray of light strikes the upper surface of a pond at an angle of incidence of $45 °$ , will it be totally internally reflected? Explain your answer.