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# Solution - To find the image-distance for varying object-distances in case of a convex lens, a student obtains on a screen a sharp image of a bright object placed very far from the lens. After that he gradually moves the object towards the lens and each time focuses its image of the screen. - CBSE Class 10 - Science

ConceptRefraction of Light Image Formation by Lenses - Convex Lens

#### Question

To find the image-distance for varying object-distances in case of a convex lens, a student obtains on a screen a sharp image of a bright object placed very far from the lens. After that he gradually moves the object towards the lens and each time focuses its image of the screen.

(a) In which direction – towards or away from the lens, does he move the screen to focus the object?

(b) What happens to the size of image – does it increase or decrease?

(c) What happen when he moves the object very close to the lens?

#### Solution

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#### APPEARS IN

2014-2015 (March) Delhi Set 1
Question 36 | 2 marks
2014-2015 (March) Delhi Set 3
Question 34 | 2 marks
2014-2015 (March) Delhi Set 2
Question 34 | 2 marks

#### Reference Material

Solution for question: To find the image-distance for varying object-distances in case of a convex lens, a student obtains on a screen a sharp image of a bright object placed very far from the lens. After that he gradually moves the object towards the lens and each time focuses its image of the screen. concept: Refraction of Light - Image Formation by Lenses - Convex Lens. For the course CBSE
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