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An incandescent filament emits a spectru...

An incandescent filament emits a spectrum which is a

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The correct Answer is:
C
Incandescent filament emits continuous spectrum.
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SIA PUBLICATION-RAY OPTICS-M.C.Q
  1. Which of the following statements is not true in the case of Huygen’s ...

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  2. The dark lines in the solar spectrum are due to

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  3. An incandescent filament emits a spectrum which is a

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  4. Reflection of a light wave at a fixed point results in a phase differe...

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  5. In a Huygen's eye-piece the eye lens has a focal length of f, the equi...

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  6. An astronomical telescope has a length of 310 cm and a magnifying powe...

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  7. If hati denotes a unit vector along incident light ray, hati a unit ve...

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  8. In- an equilateral triangular prism, the angle of minimum deviation fo...

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  9. The least distance of distinct vision is 25 cm. The magnifying power o...

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  10. Which of the following wavelength is in the infrared region?

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  11. If Foucoult's method for determining the velocity of light in air, the...

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  12. A hollow prism made of transparent glass is filled with a transparent ...

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  13. In a Ramsden eyepiece of effective focal length 3 cm the focal length ...

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  14. The angle of a prism is 60° and the angle of minimum deviation of ligh...

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  15. An astronomical telescope of magnifying power 12, has an objective of ...

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  16. Two lenses of focal lengths 75 cm and 25 cm will form a combination sa...

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  17. If p for water is 4//3 and the velocity of light in vacuum is 3 xx 10^...

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  18. In Foucoult's method of determining the velocity of light, the distanc...

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  19. In an astronomical telescope the distance between the eye-piece and th...

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  20. If c is velocity of light in free space, the time taken by the light t...

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