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Mechanical Engineering · Q62

Heat And Mass Transfer

Engineering and GATE · Mechanical Engineering · question 62

Q62

Joule sec is the unit of

A.
Universal gas constant
B.
Kinematic viscosity
C.
Thermal conductivity
D.
Planck's constant
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
Planck's constant, symbolized h, relates the energy in one quantum (photon) of electromagnetic radiation to the frequency of that radiation. In the International System of units (SI), the constant is equal to approximately 6.626176 x 10-34 joule-seconds.