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A concave mirror s placed on a horizonta...

A concave mirror s placed on a horizontal table with its axis directed vertically upwards.Let O be the pole of the mirror canc C its centre of curvature.A point object is placed at C.It has a real image ,also located at C.If the mirror is now filled with water ,the image will be:

A

real and will remain at C

B

real and located at a point between C and infinity.

C

virtual and located at a point between C and O.

D

real and located at a point between C and F.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. A point source of light B,placed in front of the centre of a mirror of...

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  2. A student performed the experiment of determining the focal length of ...

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  3. A concave mirror s placed on a horizontal table with its axis directed...

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  4. In an experiment to determine the focal length (f) of a concave mirror...

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  5. A container is filled with water (mu= 1.33) upto a height of 33.25 cm ...

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  6. A ray of light passes through four transparent media with refractive i...

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  7. A light beam is travelling from Region I to IV (figure). The refractiv...

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  8. A ray of light is incident at the glass-water interface at an angle i....

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  9. A ray of light travelling in a transparent medium of refractie index m...

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  10. A beam of light is converging towards a point on a screen.A plane para...

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  11. A diverging beam of light from a point source S having divergence angl...

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  12. A ray of light travelling in water is incident on its surface open to ...

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  13. A rectangular glass slab ABCD of refractive index n1 is immersed in wa...

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  14. An observer can see through a pin-hole the top end of a thin rod of he...

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  15. Two beams of red and violet colours re mde to pass separaterly through...

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  16. A ray OP of monochromatic light is incident on the face AB of prism AB...

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  17. Which of the following forms (s) a virtual and erect image fo all posi...

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  18. A spherical surface radius of curvatue R seprates air (refractive inde...

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  19. A point object is placed at the centre of a glass sphere of radius 6 c...

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  20. The graph between object distance u and image distance v for a lens is...

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