Physics MCQs with Answers

A. J.K B. J/K C. N.m/sec D. Kgm2/sec2.K The correct answer to the question: “The unit of entropy is________________?” is “J/K”.

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 To find the work done in raising the elevator, we can use the formula for work done against gravity: Work=Force×Distance Given: Force (FFF) = 3.5×10−63.5 times 10^{-6}3.5×10−6 N Distance (ddd) = 1000 m Substituting the … Read more

A. Meter per secound B. meter per second square C. Both D. All The correct answer to the question: “What is the SI unit of acceleration is ___________?” is “meter per second square”.

A. a−b B. 2b C. 2a D. a+b The correct answer to the question: “If vectors a and b are antiparallel to each other then their resultant is ___________?” is “a−b”.

A. 2nd B. 4th C. 3rd D. 1st The correct answer to the question: “If Ax is -ve and Ay is +ve, the resultant is:___________?” is “2nd”.

A. A resultant vector B. A unit vector C. A null vector D. A position vector The correct answer to the question: “A vector which has magnitude one is called _________?” is “A unit vector”.

A. 90° B. 180° C. 270° D. None of these The correct answer to the question: “For anti-parallel vectors angle is equal to ____________?” is “180°”.

A. Displacement B. Speed C. Velocity D. Acceleration The correct answer to the question: “An example of scalar quantity is _________?” is “Speed”.

A. LT B. LMT C. LMT^-1 D. LT^-1  The correct answer to the question: “The dimension of velocity are __________?” is “LT”.

A. Battery B. Capacitor C. Dynamo D. Transformer The correct answer to the question: “An electric motor could be used as a: ___________?” is “Dynamo”.