An object is approaching a fixed plane mirror with velocity 5 ms-1 making an angle of 45- with the normal- The speed of image w-r-t- the mirror is

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An object is ...

Question

An object is approaching a fixed plane mirror with velocity $5 m s^{- 1}$ making an angle of $45^{\circ}$ with the normal. The speed of image w.r.t. the mirror is

5 m s^{- 1}

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5 / \sqrt{2} m s^{- 1}

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5 \sqrt{2} m s^{- 1}

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10 m s^{- 1}

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Solution

The correct option is A $5 m s^{- 1}$
The velocity of object and image wrt to the mirror(whatever the orientation may be) are same as velocity of object is $5 m / s$ so will be the velocity of image wrt mirror

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An object is approaching a fixed plane mirror with velocity 5 ms−1 making an angle of 45∘ with the normal. The speed of image w.r.t. the mirror is

The correct option is A 5ms−1The velocity of object and image wrt to the mirror(whatever the orientation may be) are same as velocity of object is 5m/s so will be the velocity of image wrt mirror

An object is approaching a fixed plane mirror with velocity $5 m s^{- 1}$ making an angle of $45^{\circ}$ with the normal. The speed of image w.r.t. the mirror is

The correct option is A $5 m s^{- 1}$
The velocity of object and image wrt to the mirror(whatever the orientation may be) are same as velocity of object is $5 m / s$ so will be the velocity of image wrt mirror