Question

Arunima obtained a clear image of a candle

flame on a white screen using a convex lens.

She noted down the position of candle flame obtained on screen, convex lens and screen itself as follows:

1.Candle: 16cm

2.Screen:64cm

3.Convex lens:40cm

Q 11a The focal length of given convex lens would be:

a) 24cm

b) 16cm

c) 12cm

d) 10cm​

Answer 1

Answer:

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Explanation:

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