NA

Author:Amit Rastogi

Amit Rastogi Science Solutions for Exercise - NA

Simple step-by-step solutions to NA questions of Light from ThinkTrail CURIOSITY CHRONICLES A Coursebook For Science Grade 7. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from NA with Hints & Solutions

EASY
7th CBSE
IMPORTANT

What happens in lateral inversion?

EASY
7th CBSE
IMPORTANT

Name the phenomenon responsible for the following effect:
When we sit in front of a plane mirror and write with our right hand, it appears in the mirror that we are writing with the left hand.

EASY
7th CBSE
IMPORTANT

Give the term used to describe the left-right reversal of a reflected image. 

MEDIUM
7th CBSE
IMPORTANT

When you stand in front of a mirror and move your right hand, your image in the mirror appears to move its left hand. What is this property of mirror images called?

HARD
7th CBSE
IMPORTANT

Aanad and his friends went for a field trip. While travelling on the road they noticed many traffic signals. They tried deciphering the meaning of each signal. Some time later, they came across the following sign:

Question Image

Which phenomenon of light is illustrated by the pair of boards shown here?

HARD
7th CBSE
IMPORTANT

Veena observes the time in the clock shown in picture, through a mirror and thinks it is 9:40. Her, sister Regha told that she is wrong. What would be the actual time? 

Question Image

MEDIUM
7th CBSE
IMPORTANT

Mirrors show lateral inversion.

MEDIUM
7th CBSE
IMPORTANT

We see our right side of the body as the left side in the mirror. What is this phenomenon called?