David Sang Solutions for Chapter: Light, Exercise 5: Questions
David Sang Physics Solutions for Exercise - David Sang Solutions for Chapter: Light, Exercise 5: Questions
Attempt the practice questions on Chapter 13: Light, Exercise 5: 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 5: Questions with Hints & Solutions
The refractive index of water is . Calculate the critical angle of water.
Using a protractor, draw an accurate ray diagram to show how a ray of light, striking the internal surface of water at the critical angle, is refracted.
The critical angle for a new type of plastic is found to be . What is the refractive index of this material?
Sketch a diagram to show how a ray of light can trace along a curved glass fibre. Indicate the points where total internal reflection occurs.
Why must high-purity glass be used for optical fibres used in telecommunications?
