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If a piece of paper is placed at the pos...

If a piece of paper is placed at the position of a virtual image of a strong light source, will the paper burn after sufficient time ? What happens if the image is real? What happens if the image is real but the source is virtual ?

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HC VERMA-GEOMETRICAL OPTICS-Question For short Answer
  1. Is the formula "Real depth/Apparent depth = mu." valid if viewed from ...

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  2. Can you ever have a situation in which a light ray goes undeviated thr...

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  3. Why does a diamond shine more than a glass piece cut to the same shape...

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  4. A narrow beam of light passes through a slab obliquely and is then rec...

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  5. Can a plane mirror ever form a real image ?

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  6. If a piece of paper is placed at the position of a virtual image of a ...

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  7. Can a virtual image be photographed by a camera ?

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  8. In motor vehicles, a convex mirror is attached near the driver's seat ...

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  9. If an object far away from a convex mirror moves towards the mirror, t...

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  10. Suppose you are inside the water in a swimming pool near an edge. A fr...

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  11. The equation of refraction at a spherical surface is mu2/v-mu1/u=(mu2-...

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  12. A thin converging lens is formed with one surface convex and the other...

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  13. A single lens is mounted in a tube. A parallel beam enters the tube an...

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  14. An air bubble is formed inside water. Does it act as a converging lens...

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  15. Two converging lenses of unequal focal lengths can be used to reduce t...

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  16. If a spherical mirror is dipped in water, does its focal length change...

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  17. If a thin lens is dipped in water, does its focal length change ?

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  18. Can mirrors give rise to chromatic aberration ?

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  19. A laser light is focussed by a converging lens. Will there be a signif...

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