71. Which of the following unit does not represent the unit of power ?
A. \(\frac{ampere}{volt}\)
B. \(ampere^{2}\times ohm\)
C. \(\frac{joule}{second}\)
D. \(ampere\times volt\)
Answer : Option A
72. Write the unit of angular acceleration in the SI system.
73. unit of universal gravitational constant is ________
A. \(kg.m.sec^{-1}\)
B. \(N.m^{-1}.sec\)
C. \(N.m^{2}.kg^{-2}\)
D. \(N.m.kg^{-1}\)
Answer : Option C
74. The unit of Stefen Boltzman constant \((\sigma )\) is
A. \(w^{2}m^{-2}k^{-1}\)
B. \(wm^{2}k^{-3}\)
C. \(wm^{-2}k^{4}\)
D. \(wm^{-2}k^{-4}\)
Answer : Option D
75. Unit of momentum physical quantity ?
76. Light year is a unit of ________
77. Joule/seed is the unit of _______
78. The SI unit of momentum is ____________
A. \(kg\times newton\)
B. \(kg.m^{-2}.s^{2}\)
C. \(kg.m^{-1}\)
D. \(kg.m.s^{-1}\)
Answer : Option D
79. Volt/meter is the unit of __________
80. The force \(F\) is represented by equation \(F=Pl+Ql^{-1}\), where \(l\) is the length. The unit of \(P\) is same as that of ____________
A. Surface tension
B. Velocity
C. Force
D. Momentum
Answer : Option A
Explanation :
\(F=Pl+Ql^{-1}\)
\(Pl=F\)
\(P= \frac{F}{l}=\frac{Newton}{meter} =\) Surface Tension