Which of the following is the example of ideal black body?
A. Kajal
B. Blackboard
C. A pin hole in a box
D. None of the above
Answer: Option C
A. Kajal
B. Blackboard
C. A pin hole in a box
D. None of the above
Answer: Option C
A. Zeroth Law of Thermodynamics
B. First Law of Thermodynamics
C. Second Law of Thermodynamics
D. Third Law of Thermodynamics
A black body can absorb radiations of
A. lower wavelengths only
B. intermediate wavelengths only
C. higher wavelengths only
D. all wavelengths
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