A PLANE MIRROR IS APPROCHING YOU AT 10CM PER SECOND.YOU CAN SEE YOUR IMAGE IN IT.AT WHAT SPEED WILL YPUR IMAGE APPROACH YOU?A-10CM/SEC,B-5CM/SEC,C-20CM/SEC,D-15CM/SEC
Asked by Priyanka
13th November 2017,
4:13 PM
Answered by Expert
Answer:
Image distance in the plane mirror is equal to the object distance from the mirror.
let the object distance from the mirror be X cm. So image distance from the object will be 2x
mirror approaching speed = X/t= 10 cm/s
image approaching speed = 2 x X/t = 2x10 = 20 cm/s
Answered by Expert
6th December 2017,
4:05 PM
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