ICSE ICSE Class 7 - CISCE Question Bank Solutions

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A man standing in front of a plane mirror finds his image to be at a distance of 6 meter from himself. The distance of man from the mirror is

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The image formed by a plane mirror is

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The property due to which a light ray striking a surface is returned back into the same medium is called

What do you mean by the term reflection of light ?

How is a plane mirror made ?

The following diagram shows a point object O placed in front of a plane mirror. Take two rays from the point O and show how the image of O is formed and seen by the eye.

State four characteristics of the image formed by a plane mirror.

How is the position of image formed by a plane mirror related to the position of the object ?

You are standing at a distance of 2 meters from a plane mirror.

What is the distance of your image from the mirror?

You are standing at a distance of 2 meters from a plane mirror.

What is the distance between you and your image?

What is meant by lateral inversion of an image in a plane mirror ? Explain it with the help of a diagram.

Wirte down the letter C and I as seen in a plane mirror.

State two uses of a plane mirror.

 Fill in the blank. 

Sound is produced when a body ______.

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Sound travels the fastest in

Describe an experiment to show that each source of sound is a vibrating body.

Name two sources of sound.

How does a musician playing on a flute change the pitch of sound produced by it ?

Explain why you can predict the arrival of a train by placing your ear on the rails without seeing it.

Describe an experiment to estimate the speed of sound in air.