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When a beam of light is used determine t...

When a beam of light is used determine the position of an object, the maximum accuracy is achieved if the light is .....

A

polarised

B

of longer wavelength

C

of shorter wavelength

D

of high intensity

Text Solution

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The correct Answer is:
C
Accuracy in finding position `prop (1)/("wavelength")`
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KUMAR PRAKASHAN-WAVE OPTICS-SECTION-D (MULTIPLCE CHOICE QUESTIONS (MCQS)) (MCQS FROM DARPAN BASED ON TEXTBOOK)
  1. The path difference for destructive interference is.....

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  2. The golden colour found in sea oyster is due to....

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  3. When a beam of light is used determine the position of an object, the ...

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  4. A double slit experiment is performed with light of wavelength 500 nm....

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  5. In case of linearly polarised light, the magnitude of the electric fie...

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  6. A stone thrown into still water creates a circular wave pattern moving...

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  7. When exposed to sunlight, thin films of oil on water often exhibit bri...

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  8. Which properties are independent of each other for waves propagating i...

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  9. In Young's double slit experiment, the distance between two slits is m...

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  10. Light is incident normally on a diffracting grating through which the ...

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  11. Which out of following cannot produce two coherent sources ?

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  12. In Young's double slit experiment, the two slits act as coherent sourc...

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  13. In an interference the intensity of two interfering waves are I and 4I...

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  14. In a single slit diffraction with lambda = 500 nm and a lens of diamet...

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  15. A: Particle theory fails to explain the velocity of light in air and w...

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  16. A: It is not possible to have an interference between sound waves prod...

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  17. A: The obstacle must be in the order of 10^(-7)m to see the differatio...

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  18. A: To increase resolving power of a telescope, the diameter of objecti...

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  19. What changes during the polarisation of light?

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  20. If light of intensity lo is incident at an angle 45^(@) with optical a...

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