By what factor will the size of an object placed 10cm from a convex lens be increased if the image is seen on a screen placed 25cm from the lens?

a

15.0

b

2.5

c

1.5

d

0.4

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Explanation

Correct Option
b

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Discussions (16)

Aduratomi
9 years ago

Here is an explanation:

Magnification=image distance/object distance

=25/10

=2.5(B)

Breez001
9 years ago

yh good 1 jare@Aduratomi...which 1 b all story wia de 4 d explanation

agadido
3 years ago

Magnification=image distance/object distance

=25/10

=2.5(B)

straight to the point.

odewenusofiyyah
2 years ago

Gy

Olayiwola0000
7 months ago

Can you show me another method

luli1947
4 months ago

the answer explaination is not complete

trilz
9 years ago

(3×60)+20=200

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