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  •   An object and a plane mirror are shown in figure. Mirror is moved with velocity <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKcAAAB0CAYAAADgvCJtAAAD1klEQVR4nO

 

An object and a plane mirror are shown in figure. Mirror is moved with velocity

V as shown. The velocity of image is :

Option: 1

2V \sin \theta


Option: 2

2V


Option: 3

2V \cos \theta


Option: 4

none of these


Answers (1)

best_answer

 

Moving Object & Mirror -

\vec{V_{i}}-\vec{V_{m}}=- \left (\vec{V_{o}}-\vec{V_{m}} \right )

- wherein

\vec{V_{i}}= Velocity of image

\vec{V_{m}}= Velocity of mirror

\vec{V_{o}}= Velocity of object

 

 

 

\overrightarrow{V}_{I}m=\overrightarrow{V}_{0}m

\Rightarrow \overrightarrow{V}_{I}=\overrightarrow{V}_{m} = -\left ( \overrightarrow{V_{0}}-\overrightarrow{V}_{m} \right )

\overrightarrow{V}_{I}= V\sin \theta = - (0 - V \sin \theta)

V_{I}= 2V\sin \theta

Posted by

seema garhwal

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