Choose the correct options for the following questions.
Black color is:
Difficulty: Easy
A:
A good absorber of heat
B:
A bad absorber of heat
C:
A good reflector of heat
D:
Both a and c
The intensity of emitted energy (with wavelength) radiated from a black body at different temperature was initially measured by:
Difficulty: Easy
A:
Lummer
B:
Planck
C:
Pringsheim
D:
Both a and c
The product of $\lambda_{m}$ and T is called:
Difficulty: Easy
A:
Planck's constant
B:
Wien's constant
C:
Lummer's constant
D:
Pringshein's constant
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