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piyush pandey

· started a discussion

· 1 Months ago

Explain (Question: 317656.0 )

How

Question:

An object is placed at 15 cm in front of a convex mirror of radius of curvature 60 cm. How far is the image formed from the mirror?

Options:
A)

5 cm

B)

7.5 cm

C)

10 cm

D)

12.5 cm

Solution:

Ans: (c)

Knowledge Expert

· commented

· 1 Months ago

Dear Student,

u= -15 (since it is on the opposite direction of the incident light)
V= ?
f = R/2 = 60/2= 30

1/f= 1/v+1/u

1/30= 1/v+(-1/15)
V= 10 cm.

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