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

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

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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?

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CHHAYA PUBLICATION-DIFFRACTION AND POLARISATION OF LIGHT-EXERCISE (VERY SHORT ANSWER TYPE QUESTIONS)
  1. A single slit produces diffraction [Fill in the blank.]

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

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

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

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

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

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

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

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

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

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

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

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  13. Why does ultrasonic wave not exhibit polarisation?

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

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

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

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

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

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  19. The plane containing the direction of propagation of light and perpen...

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  20. A ray of light incident on a medium at polarising angle.what will be t...

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