EASY
10th ICSE
IMPORTANT
Earn 100

Parallel light rays inclined at an angle of 15° to principal axis fall on the concave lens of focal length 15 cm. Draw a neat ray diagram to show the image formation. Also mention the properties of the 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 1
Define a lens.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 2
In a dark room only by touching the lens how will you distinguish between a convex and a concave lens?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 4
Draw three types of concave lenses and label them.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 5
Name the convex lens whose one surface is plane surface. Draw this lens.
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 6
Explain the lens action assuming it as a combination of frustum of prisms.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 1
Define power of a lens.
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 8
An object of height 5 cm is placed in front of a convex lens that forms a virtual image of the object of height 15 cm. What is the magnification of the lens?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 9
Describe any method to find the focal length of a convex lens. Why this method cannot be used to find the focal length of a concave lens.