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10th CBSE
IMPORTANT
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If an object is placed at the focus of a convex lens, where is the image formed? 

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Important Questions on Refraction of Light

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Very Short Answer Type Questions>Q 6
Where should an object be placed in order to use a convex lens as a magnifying glass?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Very Short Answer Type Questions>Q 7
Where should an object be placed in front of a convex lens so as to obtain its virtual, erect and magnified image? 
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Very Short Answer Type Questions>Q 8
Where should an object be placed in front of a convex lens so as to obtain its real, inverted and magnified image?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Very Short Answer Type Questions>Q 9
For what position of an object a real, diminished image is formed by a convex lens?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Very Short Answer Type Questions>Q 10
If an object is at a considerable distance (or infinity) in front of a convex lens, where is the image formed?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Very Short Answer Type Questions>Q 11

Draw the given diagram in your answer book and complete it for the path of a ray of light after passing through the lens.

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EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Very Short Answer Type Questions>Q 12
What type of lens would you use as a magnifying glass? How close must the object be to the lens?
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 1 Physics>Chapter 5 - Refraction of Light>Very Short Answer Type Questions>Q 13
Name two factors on which the focal length of a lens depends.