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Prabu B

· started a discussion

· 1 Months ago

doubt (Question: 317656.0 )

HOW to obtain

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 cm (since it is on the opposite direction of the incident light
R= 60 thus f= R/2 = 30
v=?

1/f= 1/V+1/u

1/30= 1/v+(-1/15)

after solving we get V= 10 cm.


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