EASY
10th ICSE
IMPORTANT
Earn 100

Define following terms in reference to a lens with a proper diagram: principal axis, optical centre, radius of curvature and centre of curvature.

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 12
Draw diagrams to show the first and second focus of a convex lens.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 14
Define the second focal length of a convex lens. Explain with diagram.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 15
Define the second focal length of a concave lens. Explain with diagram. 
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 1
What do you mean by a real or a virtual image?
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 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.