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NEET-XII-Physics

22: Photometry

with Solutions - page 2
Qstn# iv-3 Prvs-QstnNext-Qstn
  • #3
    Using figure (22.1), find the relative luminosity of wavelength (a) 480 nm, (b) 520 nm (c) 580 nm and (d) 600 nm. (a) 480 nm, (b) 520 nm (c) 580 nm and (d) 600 nm.
    Ans : From the graph, we can find the following: (a) The relative luminosity of wavelength 480 nm is 0.14. (b) The relative luminosity of wavelength 520 nm is 0.68. (c) The relative luminosity of wavelength 580 nm is 0.92. (d) The relative luminosity of wavelength 600 nm is 0.66.
    Page No 455: (a) The relative luminosity of wavelength 480 nm is 0.14. (b) The relative luminosity of wavelength 520 nm is 0.68. (c) The relative luminosity of wavelength 580 nm is 0.92. (d) The relative luminosity of wavelength 600 nm is 0.66.
    Page No 455:
  • #3-a
    480 nm,
    Ans : The relative luminosity of wavelength 480 nm is 0.14.
  • #3-b
    520 nm
    Ans : The relative luminosity of wavelength 520 nm is 0.68.
  • #3-c
    580 nm and
    Ans : The relative luminosity of wavelength 580 nm is 0.92.
  • #3-d
    600 nm.
    Ans : The relative luminosity of wavelength 600 nm is 0.66.
    Page No 455: