(A) Work
(B) Power
(C) Displacement
(D) Force
Category: Physics Mcqs
Physics Mcqs for NTS, PPSC, FPSC, CSS, PMS, Educators, SPSC, Lecturer, BPSC, AJKPSC, PTS, PST, EST, SST and all other exams. Users will find mcqs related to mechanics, Thermodynamics, Photonics, study of heat, Distance, work, force, time, machines, study of electricity, magnetism, law of motion, nuclear physics, Quantum, relativity, solar system, and all the topics will be covered in the physics mcqs section.
The dimensional units of ratio of work and power is?
(A) L
(B) KWh
(C) T
(D) J
Work has dimension like?
(A) Momentum
(B) Velocity
(C) Power
(D) Torque
Dimensions of work are?
(A) [MLT]
(B) [ML2T2]
(C) [ML2T-2]
(D) None of the above
In the absence of external force the change in momentum is?
(A) Zero
(B) Constant
(C) Decrease
(D) Increase
The dimensional unit of impulse is?
(A) [MLT]
(B) [MLT-1]
(C) [ML-1T-1]
(D) None of the above
Water flows out from a pipe at 3 kg/sec and its velocity changes from 5 m/s to zero on striking the wall. The force due to water flow?
(A) 3 N
(B) 5 N
(C) 10 N
(D) 15 N
Impulse is a?
(A) Vector quantity
(B) Scalar quantity
(C) Fixed quantity
(D) None of the above