Match the following with correct response for a concave mirror of focal length \( 20 \mathrm{~cm...

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Match the following with correct response for a concave mirror of focal length \( 20 \mathrm{~cm} \).
Column I
(1) When the object is at \( 20 \mathrm{~cm} \)
(2) When the object is at \( 5 \mathrm{~cm} \)
(3) When the object is at \( 30 \mathrm{~cm} \)
(4) When the object is at \( 10 \mathrm{~cm} \)
Column II
(A) Image formed is magnified and erect
(B) Image formed is at infinity
(C) Image formed is real and inverted
(D) Image formed is of same size that of the object
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