K.K. GUPTA and STALIN MALHOTRA Solutions for Chapter: Light, Exercise 4: Exercises

Author:K.K. GUPTA & STALIN MALHOTRA

K.K. GUPTA Science Solutions for Exercise - K.K. GUPTA and STALIN MALHOTRA Solutions for Chapter: Light, Exercise 4: Exercises

Attempt the practice questions on Chapter 15: Light, Exercise 4: Exercises with hints and solutions to strengthen your understanding. Frank Experience Science solutions are prepared by Experienced Embibe Experts.

Questions from K.K. GUPTA and STALIN MALHOTRA Solutions for Chapter: Light, Exercise 4: Exercises with Hints & Solutions

EASY
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Light>Exercises>Q 1

A virtual image formed by a plane mirror is erect.

EASY
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Light>Exercises>Q 2

A concave mirror is also known as a converging mirror.

EASY
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Light>Exercises>Q 1

Give one example of lateral inversion.

EASY
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Light>Exercises>Q 2

Does the reflection of light take place from curved polished surfaces?

MEDIUM
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Light>Exercises>Q 2

An object is placed 20 cm in front of a plane mirror. What will be the distance between the object and its virtual image?

MEDIUM
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Light>Exercises>Q 4

An orange having a diameter of 4 cm is kept in front of a plane mirror. What will be the diameter of the image of the orange in the mirror?

HARD
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Light>Exercises>Q 2

Discuss the uses of convex and concave lenses.

HARD
7th CBSE
IMPORTANT
Frank Experience Science>Chapter 15 - Light>Exercises>Q 4

David is observing his image in a plane mirror. The distance between the mirror and his image is 4 m. He moves 1 m towards the mirror. Find the distance between David and his image.