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A plane mirror is moving with velocity ...

A plane mirror is moving with velocity `4 hat(i) + 5 hat(j) + 8 hat(k)`. A point object in front of the mirror moves with a velocity `3 hat(i) + 4 hat(j) + 5 hat(k)`. Here `hat(k)` is along the normal to the plane mirror and facing towards the object. The velocity fo the image is

A

`-3 hat(i) - 4 hat(j) + 5hat(k)`

B

`3 hat(i) + 4 hat(j) + 11hat(k)`

C

`-3 hat(i) - 4 hat(j) + 11hat(k)`

D

`7 hat(i) + 9 hat(j) + 11hat(k)`

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The correct Answer is:
B

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RESONANCE-GEOMATRICAL OPTICS -Exercise-1
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  2. An object and a plane mirror are shown in figure. Mirror is moved with...

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  3. A plane mirror is moving with velocity 4 hat(i) + 5 hat(j) + 8 hat(k)...

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  4. Two plane mirrors A and B are parallel to each other and spaced 20 cm ...

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  5. An object of height 1cm is kept perpendicular to the principle axi...

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  6. A point object is kept between a plane mirror and a concave mirror fac...

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  7. A square ABCD of side 1mm is kept at distance 15cm in front of the con...

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  8. In Figure, find the total magnification after two successive reflectio...

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  9. A luminous point object is moving along the principal axis of a concav...

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  10. A real object is moving toward a fixed spherical mirror. The image

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  11. A point object on the principal axis at a distance 15cm in front of a ...

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  12. In the figure shown If the objectO moves towards the palne mirror ,the...

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  13. A point object at 15 cm from a concave mirror of radius of curvature 2...

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  14. The distance of an object from the fouce of a convex mirror of radius ...

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  15. An object is placed at 20 cm from a convex mirror of focal length 20 c...

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  16. Which of the following can from erect, virtual, diminished image?

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  17. I is the image of a point object O formed by spherical mirror, then wh...

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  18. An object is placed at a distance u from a concave mirror and its real...

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  19. A real inverted image in a concave mirror is represented by (u,v, f ar...

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  20. The wavelength of light in vacuum is 6000 A^(@) and in a medium it is...

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