The unit of entropy is________________?
A. J.K
B. J/K
C. N.m/sec
D. Kgm2/sec2.K
Physics MCQs with Answers
An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is_________________?
A. 3.5 x 10-3 J
B. 3.5 x 104 J
C. 3.5 x 106 J
D. 3.5 x 109 J
What is the SI unit of acceleration is ___________?
A. Meter per secound
B. meter per second square
C. Both
D. All
If vectors a and b are antiparallel to each other then their resultant is ___________?
A. a−b
B. 2b
C. 2a
D. a+b
If Ax is -ve and Ay is +ve, the resultant is:___________?
A. 2nd
B. 4th
C. 3rd
D. 1st
A vector which has magnitude one is called _________?
A. A resultant vector
B. A unit vector
C. A null vector
D. A position vector
For anti-parallel vectors angle is equal to ____________?
A. 90°
B. 180°
C. 270°
D. None of these
An example of scalar quantity is _________?
A. Displacement
B. Speed
C. Velocity
D. Acceleration
The dimension of velocity are __________?
A. LT
B. LMT
C. LMT^-1
D. LT^-1
An electric motor could be used as a: ___________?
A. Battery
B. Capacitor
C. Dynamo
D. Transformer
