Question

An object is placed at 45 cm in front of
converging mirror of radius of curvation
30cm. At what distance the image would
be formed. Mention the nature of the
image ( BY EXPLANATION)
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ANSWERS
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ANSWER​

Answer 1

Answer:

the image will be formed at a distance of

22.5 cm from the mirror.

nature of image real,inverted.

Explanation

since it is given that the mirror is converging this it is a concave mirror.

• Radius of curvature = 30 cm
• focal length =R/2
• = 15 CM

Answer 2

u = -45cm

f = -C/2 = -30/2 = -15cm

Now,

by mirror's formula

1/f = 1/v + 1/u

-1/15 = 1/v - 1/45

-1/15 + 1/45 = 1/v

by taking L.C.M. of numerators 15 and 45,

(-3 + 1)/45 = 1/v

-2/45 = 1/v

So,

v = -45/2 = -22.5cm

So image will be formed on -22.5 cm.

Nature = Real,inverted and between C and F.