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A single slit produces diffraction [Fill...

A single slit produces ____diffraction [Fill in the blank.]

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Fraunhofer
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Small spherical obstacle produces_____diffraction [Fill in the blank].

Intensity of all fringes in diffraction pattern are ___ [Fill in the blank.]

In a single slit Fraunhofer diffraction experiment, the wavelength of the light used is 400 mm and the first minimum is obtained for diffraction angle 30^(@) . The magnitude of theta for first secondary maximum is

Quartz is a _____crystal [fill in the blank].

If the wavelength of the incident light in a single slit is increased, the Fraunhofer's diffraction bands will be _____ [Fill in the blank.]

How does the angular width of the central maxima in a single slit Fraunhofer diffraction experiment change when the distance between the slit and screen is doubled?

If the distance between the two slits in Young's double slit experiment is halved and the distance between the slit and the screen is double then fringe width will be _____ times the previous fringe width [Fill in the blank ].

In Fresnel's diffraction, source of light is located at_____ distance from the aperture (slit) [ Fill in the blank.]

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CHHAYA PUBLICATION-DIFFRACTION AND POLARISATION OF LIGHT-EXERCISE (VERY SHORT ANSWER TYPE QUESTIONS)
  1. What should be the nature of the incident wavefront in case of Fresnel...

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  2. Small spherical obstacle producesdiffraction [Fill in the blank].

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  3. A single slit produces diffraction [Fill in the blank.]

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  4. In Fresnel's diffraction, source of light is located at distance from ...

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  5. If the wavelength of the incident light in a single slit is increased,...

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  6. In a single slit diffraction, the intensity of secondary maxima gradua...

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  7. Resolving power of a telescopewith the increase of the diameter of its...

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  8. How does the angular width of central maximum change when the slit wid...

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  9. Instead of violet light if red light is used in the formation of diffr...

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  10. In a single slit diffraction, what is the condition for formation of f...

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  11. In a single slit diffraction, what is the condition for formation of f...

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  12. In a single slit diffraction, what is the expression of linear width o...

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  13. What is called the power of an optical instrument to produce distinctl...

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  14. What does polarisation of light prove about the nature of light?

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  15. Why does ultrasonic wave not exhibit polarisation?

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  16. When light is polarised, how does its intensity change?

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  17. Sunray, sodium light, head light of an automobile- which of these ligh...

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  18. What is the angle of between the plane of polarisation and the directi...

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  19. Tourmaline is a hexagonal crystal. The longest diagonal of the crystal...

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  20. If a beam of light its vibrations restricted to one plane instead of d...

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