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STD 12 - Universe — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - Universe4 Marks
MCQ
In determining the temperature of a distant star, one makes use of
  • A
    Kirchhoff's law
  • B
    Stefan's law
  • ✓
    Wien's displacement law
  • D
    None of these
✓

Answer

Correct option: C.
Wien's displacement law
c
(c)The temperature of stars can be determined by Wiens displacement law which is ${\lambda _m}.T = {\rm{constant}}{\rm{.}}$

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