Physics, asked by kratikapande2, 7 months ago

A concave lens of focal length 15cm forms an image of an object kept at distance of 10cm from the
lens. Find the position and nature of the image formed by it.

Answers

Answered by garvgogia30
1
Concave lens
F= -15cm
U= -10cm

Using lens formula,

1/v-1/u = 1/f

1/v+ 1/10= -1/15

1/v = -1/10-1/15

1/v = -3-2/30

1/v = -5/30

1/v = -1/6

Therefore, v = -6cm

Magnification = v/u

V/u = -6/-10

Therefore , m= 3/5

Therefore, the image formed is virtual, erect and diminished
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