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A plane glass slab is placed over variou...

A plane glass slab is placed over various coloured letters. The letter which appears to be raised the least is

A

violet

B

yellow

C

red

D

green

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The correct Answer is:
D
N//a
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RESONANCE-GEOMATRICAL OPTICS -Exercise-1
  1. The dispersion of light in a medium implies that :

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  2. Critical angle of light passing from glass to air is minimum for

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  3. A plane glass slab is placed over various coloured letters. The letter...

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  4. A medium has nv = 1.56, nr=1.44. Then its dispersive power is:

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  5. All the listed things below are made of flint glass. Which one of thes...

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  6. Light of wavelenght 4000 A is incident at small angle on a prim of ape...

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  7. A simple microscope has a focal length of 5 cm . The magnification at...

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  8. In a compound microscope, the intermediate image is

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  9. The resolving power of a telesope is more when its objective lens has

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  10. A Galileo telescope has an objective of focal length 100cm and magnif...

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  11. The convex lens is used in-

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  12. The magnifying power of a simple microscope can be increased, if we us...

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  13. The focal length of the objective lens of a compound microscope is

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  14. Resolving power of a microscope depends upon

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  15. An astronomical telescope has an eyepiece of focal-length 5cm. If the ...

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  16. A person with a defective sight is using a lens having a power of +2D....

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  17. The focal lengths of the objective and eye- lens of a microscope are 1...

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  18. If the focal length of objective and eye lens are 1.2 cm and 3 cm resp...

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  19. Find the angle fo deviation (both clockwise and anti-clock wise)suf...

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  20. Figures shows a plane mirror on which a light ray is incident, if t...

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