An object is placed 7cm distance from the plane mirror then distance of image is ( )
A. 3.5 cm
B. 14 cm
C. 7 cm
D. 21 cm
Answer:C
An object is placed 7cm distance from the plane mirror then distance of image is ( )
A. 3.5 cm B. 14 cm C. 7 cm D. 21 cm