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An object and a plane mirror are shown in figure. Mirror is moved with velocity `V` as shown. The velocity of image is : .A. `2 V sin theta`B. 2 VC. `2 V cos theta`D. none of these |
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Answer» Correct Answer - A `vec(V)_(1)=vec(V)_(0)m=` (normal to plane mirror) `rArr vec(V)_(1)m-vec(V)_(m)=-(vec(V)_(0)-vec(V)_(m))` `vec(V)_(1)-V sin theta =-(0-V sin theta)` `V_(1)=2V sin theta`. |
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