What do you mean by a real or a virtual image?

Important Questions on Refraction Through a Lens

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 2

Why a virtual image cannot be formed on a screen?

MEDIUM

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 3

What are the two convenient light rays used to obtain the image of any object placed in front of a lens? Explain your answer with a proper diagram.

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 4

Why does the light ray directed towards optical centre of the lens do not deviate from its path after refraction?

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 5

Why a light ray from tip of the object and parallel to principal axis after refraction from the lens passes through the second focus?

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 6

Does a convex lens form virtual image of an object? Support your answer with the help of a neat ray diagram.

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 7

Parallel light rays from a distant object falls on a convex lens at some angle to the principle axis. Draw a neat ray diagram to show the image formation from the lens.

EASY

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 8

Parallel light rays inclined at an angle of  $10 °$ to principal axis fall on a convex lens. Draw a neat diagram and show the position of the image. Using an appropriate scale, find the size of the image.

MEDIUM

10th ICSE

IMPORTANT

S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 9

A thin watch glass is partially filled with glycerine. What type of lens this liquid forms?