Exercise

Author:Embibe Experts

Embibe Experts Science Solutions for Exercise

Simple step-by-step solutions to Exercise questions of Light - Reflection and Refraction from Science Crash Course (Based on Revised Syllabus-2023). Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Exercise with Hints & Solutions

HARD
10th CBSE
IMPORTANT

A convex lens forms a real and inverted image of a needle at a distance of 40 cm from it. Where is the needle placed in front of the convex lens if the size of the image is equal to that of the object? Also, find the power of the lens.

EASY
10th CBSE
IMPORTANT

You look at a coin in a glass beaker. Its real depth is 10 cm. Is its apparent depth more than 10 cm or less than 10 cm?

MEDIUM
10th CBSE
IMPORTANT

Draw a diagram to show what we mean by the angle of incidence and angle of refraction for a refracted ray of light.

HARD
10th CBSE
IMPORTANT

A ray of light passes from air into a block of glass. Does it bend towards or away from the normal?

HARD
10th CBSE
IMPORTANT

Draw a diagram to show how a ray of light passes through a parallel-sided block of glass or Perspex.

HARD
10th CBSE
IMPORTANT

When ray of light passes through a parallel-sided block of glass or Perspex. What can you say about its final direction of travel?

MEDIUM
10th CBSE
IMPORTANT

When a ray of light passes from air to glass, is the angle of refraction greater than or less than, the angle of incidence?

MEDIUM
10th CBSE
IMPORTANT

Light travels more quickly through water than through glass. Which has the greater refractive index, water or glass?