MEDIUM
10th ICSE
IMPORTANT
Earn 100

Draw a neat labelled ray diagram to show the formation of image by a magnifying glass. State three characteristics of the image.

Important Questions on Refraction Through a Lens

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(C)>Q 8
Where is the object placed in reference to the principal focus of a given magnifying glass to see its enlarged image? Where is the image obtained?
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(C)>Q 9
Write the expression for the magnifying power of a simple microscope. Also tell that how can it be increased?
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(C)>Q 10
Describe in brief how would you determine the approximate focal length of a convex lens.
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(C)>Q 12
Describe how you would determine the focal length of a converging lens, using a plane mirror and one pin. Draw a ray diagram to illustrate your answer.
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(C)>Q 13
Write any two applications each of a convex lens and a concave lens.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(C)>Q 14
How will you differentiate between a convex and a concave lens by looking at a distant object.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(C)>Q 14
How will you differentiate between a convex and a concave lens by looking at a printed page?
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(C)>Q 1
On reducing the focal length of a lens, its power: