All bodies above absolute zero temperature emit radiation". Above statement is based on
A) D'Alambert's rule
B) Wein's law
C) Stefan law
D) Planck's law
E) Prevost theory
Correct Answer:
Verified
Q7: In case of liquids and gases, the
Q8: Which of the following has the highest
Q9: Which of the following is wrong
A)Black surfaces
Q10: Which of the following are generally diathermanous?
A)Solids
B)Liquids
C)Gases
D)All
Q11: Longest wavelength
A)Ultraviolet rays
B)Infrared rays
C)Gamma rays
D)X-rays
E)Radio waves
Q13: Which one of the following will radiate
Q14: In a cooling tower which mode of
Q15: A dimensionless number which is the ratio
Q16: There metal walls of same cross-sectional area
Q17: Formation of fog is due to
A)High pressure
B)Humidity
C)Temperature
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