wiz-icon
MyQuestionIcon
MyQuestionIcon
2
You visited us 2 times! Enjoying our articles? Unlock Full Access!
Question

An observer moves towards a stationary plane mirror at a speed of 4 ms1. What is the relative speed of the image with respect to the observer?

A
2 ms1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
4 ms1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
8 ms1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
the image will stay at rest
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C 8 ms1


velocity of object with respect to mirror, vo,m=4m/s=dxdt taking right direction as positive .

velocity of image with respect to mirrot, vi,m=dxdt=dxdt=4m/s since x=x

Now, vi,o=vi,m+vm,o=vi,mvo,m

vi,o=4(4)=8m/s

Answer-(C)

829129_524053_ans_6a938b5c9ed24da29829df1fcc6d752e.jpg

flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Reflection
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon