EASY
10th ICSE
IMPORTANT
Earn 100

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.

Important Questions on Refraction Through a Lens

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?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 12
A convex lens forms real, inverted but diminished image in size. What is the position of the object? Draw a neat diagram to support your answer.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 18
A glass flask is filled with clean water. Will the flask work as a convex lens?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 19
An object of length 4 cm is placed in front of a concave lens of focal length 12 cm at distance 20 cm from the lens. Using an appropriate formula calculate the image of the object and find the position of the image.
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.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 5 - Refraction Through a Lens>QUESTIONS>Q 7
Visual angle of any object from naked eye is 2° and from magnifying glass is 20°. What is the magnifying power of the glass? 
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.