Thermal Radiation: Black Body, Stefan & Wien
A black body has maximum wavelength ' ' at temperature 2000 K. Its maximum wavelength at 3000 K will be
Show answer and solution
Answer: (d)
- Wien's law: constant.
- So the answer is (d) .
- Practise all 110 questions on Thermal Radiation: Black Body, Stefan & Wien
- All 50 questions from MHT CET 2025 (5 May, Shift 2)
- Heat Transfer and Radiation: all topics and PYQs
- ▶ Video lecture on this topic: Heat Transfer · Lecture 2 · Black Body & Kirchhoff's Law
More questions on Thermal Radiation: Black Body, Stefan & Wien
- A black body emits radiation of maximum intensity at wavelength ' λ ' at temperature T K…MHT CET 2025 (25 Apr, Shift 2)
- The following graph represents the radiant power versus wavelength of the black body. The…MHT CET 2025 (20 Apr, Shift 2)
- Two bodies A and B at temperatures ' T₁ ' K and ' T₂ ' K respectively have the same…MHT CET 2025 (22 Apr, Shift 2)
- A wire of length 10 cm and diameter 0.5 mm is used in a bulb. The temperature of the wire…JEE Main 2025 (7 Apr, Shift 1)
- The outer surface of star in the form of a sphere radiates heat as a black body at…MHT CET 2025 (5 May, Shift 2)
- Two spherical black bodies have radii ' R₁ ' and ' R₂ '. Their surface temperatures are '…MHT CET 2025 (26 Apr, Shift 2)
- A black sphere has radius R whose rate of radiation is E at temperature T. If radius is…MHT CET 2025 (26 Apr, Shift 2)
- Two spherical black bodies have radii ' R₁ ' and ' R₂ '. Their surface temperatures are…MHT CET 2025 (23 Apr, Shift 1)