Isha Lohan posted an Question
February 03, 2021 • 03:36 am 30 points
  • IIT JAM
  • Physics (PH)

A beam of light is incident normally on a diffraction grating of width 5 cm. it is found that at 30°, the order diffraction maximum for 7000 a is super-imposed

A beam of light is incident normally on a diffraction grating of width 5 cm. It is found that at 30°, the order diffraction maximum for 7000 A is super-imposed on the (n+1" order for 2= 6000 A. The numbers of lines per cm does the grating have? (a) 15000o b) 6164 (c) 10417 (d) 12328

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  • Neeraj bangruwa best-answer

    ans.

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    so, are you confirm that the given options are wrong

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    you can check the calculation

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    if any mistake then reply me otherwise this answer is correct

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