Subject Experts Solutions for Chapter: Light, Exercise 3: Exercise 15.3

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Subject Experts Science Solutions for Exercise - Subject Experts Solutions for Chapter: Light, Exercise 3: Exercise 15.3

Attempt the practice questions on Chapter 15: Light, Exercise 3: Exercise 15.3 with hints and solutions to strengthen your understanding. Exam Guru Science solutions are prepared by Experienced Embibe Experts.

Questions from Subject Experts Solutions for Chapter: Light, Exercise 3: Exercise 15.3 with Hints & Solutions

EASY
7th CBSE
IMPORTANT

Boojho made light from a laser torch to fall on a prism. Will he be able to observe a band of seven colours? Explain with a reason.

EASY
7th CBSE
IMPORTANT

Observe the figures carefully and then answer.

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What is the nature of lens A and B?

MEDIUM
7th CBSE
IMPORTANT

Observe the figures carefully and then answer.

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Give one use of each lens A and B.

MEDIUM
7th CBSE
IMPORTANT

State the correct sequence (1-7) of colours in the spectrum formed by the prism A and B.

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HARD
7th CBSE
IMPORTANT

An erect and enlarged image of an object is formed on the screen. Explain how this can be possible?

MEDIUM
7th CBSE
IMPORTANT

It was observed that when the distance between an object and a lens decrease, the size of the image increases. What is the nature of the lens? If you keep on decreasing the distance between the object and the lens, will you still be able to obtain the image on the screen? Explain.

HARD
7th CBSE
IMPORTANT

With the help of an activity, show that seven colours combine to form white light.

MEDIUM
7th CBSE
IMPORTANT

With the help of an activity, show that white light consists of seven colours.