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For what distance is ray optics a good a...

For what distance is ray optics a good approximation when the aperture is 3 mm wide and the wavelength is 500 nm?

A

32m

B

69m

C

16 m

D

8m

Text Solution

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-WAVE OPTICS-Assignment (Section-A (objective type question(one option is correct)))
  1. Red light is generally used to observe diffraction pattern from single...

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  2. When a compact disc is illuminated by a source of white light, coloure...

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  3. For what distance is ray optics a good approximation when the aperture...

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  4. To observe diffraction, the size of the obstacle

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  5. In a single slit diffraction pattem

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  6. Diffraction and interference of light refers to -

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  7. A polariser in used to

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  8. Light waves can be polarides as they are

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  9. Through which character, we can distinguish the light waves form sound...

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  10. The angle of polarisation for any medium is 60^(@) , what will be crit...

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  11. Which of the following cannot be polarised?

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  12. An unpolarised light of intensity Io is passed through a polaroid. The...

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  13. Refractive index of material is equal to tangent of polarising angle. ...

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  14. Two nicols are oriented with then principal planes making an anlge of ...

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  15. In the case of linearly polarized light, the magnitude of he electric ...

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  16. When the angle of incidence on a material is 60^(@), the reflected lig...

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  17. For the sustained interference of light, the necessary condition is th...

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  18. Which of the following is conserved when light waves interfere ?

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  19. Huygen wave theory allows us to know:

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  20. If one of the slits in Young's double slit experiment is fully closed,...

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