MEDIUM
10th ICSE
IMPORTANT
Earn 100

Complete the following ray diagrams:
What is OO' and complete the diagram by making a second ray?

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Important Questions on Refraction Through Lenses

HARD
10th ICSE
IMPORTANT
Self Study in Physics>Chapter 5 - Refraction Through Lenses>TEST YOURSELF>Q 3
What is a magnifying lens? How is it used? Draw the course of rays.
HARD
10th ICSE
IMPORTANT
Self Study in Physics>Chapter 5 - Refraction Through Lenses>TEST YOURSELF>Q 3
State two application each of convex lens and concave lens.
HARD
10th ICSE
IMPORTANT
Self Study in Physics>Chapter 5 - Refraction Through Lenses>TEST YOURSELF>Q 4
An object 2 cm high is placed in front of a convex lens of focal length 20 cm. If the object is situated at a distance of 12 cm from the optical centre, find the size of image formed and magnification.
MEDIUM
10th ICSE
IMPORTANT
Self Study in Physics>Chapter 5 - Refraction Through Lenses>TEST YOURSELF>Q 5
How is the power of a lens related to its focal length? How does sign (+or-) of power of a lens determine its divergent or convergent action? How does the power of lens change its focal length is doubled? 
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10th ICSE
IMPORTANT
Self Study in Physics>Chapter 5 - Refraction Through Lenses>TEST YOURSELF>Q 6

Where should an object be placed in front of a lens to obtain an upright enlarged image?

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10th ICSE
IMPORTANT
Self Study in Physics>Chapter 5 - Refraction Through Lenses>TEST YOURSELF>Q 6

Where should an object be placed in front of a lens to obtain real, inverted, same sized image?

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10th ICSE
IMPORTANT
Self Study in Physics>Chapter 5 - Refraction Through Lenses>TEST YOURSELF>Q 6

Where should an object be placed in front of a lens to obtain real, inverted, highly diminished image?

MEDIUM
10th ICSE
IMPORTANT
Self Study in Physics>Chapter 5 - Refraction Through Lenses>TEST YOURSELF>Q 6

Where should an object be placed in front of a concave lens to obtain a virtual, erect, diminished image?