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Physics GK · Q335

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Competitive Exams · Physics GK · question 335

Q335

The radius of curvature of a concave mirror is 30 cm. Following cartesian sign convention, its focal length is expressed as:

A.
-15 centimeters
Answer
B.
-30 centimeters
C.
+15 cm
D.
+30 cm

Answer: Option A

Solution

Answer: Option A
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