Optics Question 934

Question: A point object is placed at a distance of 30 cm from a convex mirror of focal length 30cm. The image will form at

[JIPMER 2002]

Options:

A) Infinity

B) Focus

C) Pole

D) 15 cm behind the mirror

Show Answer

Answer:

Correct Answer: D

Solution:

u=−30cm,

f=+30cm, by using mirror formula 1f=1v+1u⇒1+30=1v+1(−30)

v=15cm, behind the mirror

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