HARD
10th CBSE
IMPORTANT
Earn 100

Find the nature, position and magnification of the images formed by a convex lens of focal length 0.20 m if the object is placed at a distance of: 0.15 m

 

Important Questions on Refraction of Light

HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Long Answer Type Questions>Q 28
Which of the cases: object placed at a distance of,  0.50 m, 0.25 m and 0.15 m represents the use of convex lens of focal length 0.20 m in a film projector, in a camera and as a magnifying glass?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Multiple Choice Questions (MCQs)>Q 29
A spherical mirror and a spherical lens each have a focal length of -15 cm. The mirror and the lens are likely to be:
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Multiple Choice Questions (MCQs)>Q 30
Linear magnification produced by a convex lens can be:
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Multiple Choice Questions (MCQs)>Q 31
Magnification produced by a concave lens is always
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Multiple Choice Questions (MCQs)>Q 32
In order to obtain a magnification of, -3 (minus 3) with a convex lens, the object should be placed
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Multiple Choice Questions (MCQs)>Q 33
A convex lens produces a magnification of +5. The object is placed:
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Multiple Choice Questions (MCQs)>Q 34
If a magnification of, -1 minus 1 is obtained by using a converging lens, then the object has to be placed:
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Multiple Choice Questions (MCQs)>Q 35
To obtain a magnification of, -0.5 with a convex lens, the object should be placed: