Class 11 Physics 10-2.Heat Transfer Radiation (General, Kirchoff's law, Black body, Prevost's Theory)

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Which of the following statements does not hold good for thermal radiation?

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A
The wavelength changes when it travels from one medium to another.
B
The frequency changes when it travels from one medium to another.
C
The speed changes when it travels from one medium to another.
D
They travel in a straight line in a given medium.

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Class 11

Physics Questions

Chapter

10-2.Heat Transfer

Subtopic

Radiation (General, Kirchoff's law, Black body, Prevost's Theory)

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