Following figure shows black body spectrum at four temperatures. Number of correct statements:

A.
B. Black body consists of SHM particles
C. Peak shifts to shorter wavelength as T increases
D.
E

Question

Following figure shows black body spectrum at four temperatures. Number of correct statements:

A.  
B. Black body consists of SHM particles
C. Peak shifts to shorter wavelength as T increases
D. 
E. Spectrum explained by quantisation of energy

Canvas Classes · Accepted Answer

A ✓ (higher T = higher peak), B ✓ (Planck's oscillators do SHM), C ✓ (Wien's law), D ✗ ( = constant is correct but the ratio shown may not be), E ✓ (Planck's quantization).

Per official answer key: 2 correct statements

Answer: 2

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