For unit magnification, the distance of an object
from a concave mirror of focal length 10 cm will
be :
(A) –20 cm (B) 20 cm
(C) –10 cm (D) 10 cm
For unit magnification, the distance of an object from a concave mirror of focal length 10 cm will be
You Might Also Like
If both the charge and electric field on the capacitor is doubled, then its capacitance : (A) becomes double (B) remains the same (C) becomes four times (D) becomes half
