Physics
JAMB 1979
A concave lens of focal length 20cm form an image 1/2 the size of the object. The object distance is
-
A.
100cm
-
B.
\( \frac{100}{q} \)
-
C.
60cm
-
D.
\( \frac{60}{7} \)
-
E.
None of the above
Correct Answer: Option C
Explanation
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