Physics MCQs here cover topics like Definition of Physics, Branches of Physics, Class 9, Class 10, Class 11, Class 12, SST test, and Everyday General Science MCQs. Physics MCQs for entry tests. Chemistry MCQS , Biology Mcqs
A ball is thrown towards the earth and bounce back. During this process :
A. Direction of Displacement, Velocity and acceleration changes
B. Direction of Displacement and Velocity changes
C. Direction of velocity and acceleration changes
D. Direction of Displacement and acceleration changesAn object travels at constant speed around a circle of radius 1.0 m in 2.0 seconds. What is the magnitude of its acceleration ?
A. 0
B. 4 π2
C. 2 π2
D. π2A football is kicked at 45 degrees with horizontal with K.E of E. Its K.E. at highest point is ?
A. E
B. E/(2)1/2
C. E/2
D. ZeroInternal energy of the system increases ______ ?
A. in isothermal expansion
B. in isothermal compression
C. in adiabatic compression
D. in adiabatic expansionWhat is the ratio of the velocity of sound at 4 atmosphere to that at 1 atmosphere ?
A. 2 : 1
B. 1 : 2
C. 4 : 1
D. 1 : 1First overtone of a stretched string of given length is 320 Hz. The first harmonic is ______ ?
A. 640 Hz
B. 160 Hz
C. 320 Hz
D. 480 HzA million electron are added to a pith ball. Its charge is ____ ?
A. – 1.6 × 10 –18 coulomb
B. – 1.6 × 10 coulomb
C. – 1.6 × 10–13 coulomb
D. 1.6 × 10–12 coulombIf we look at the floating piece of iceberg on the sea, approximately what fraction of it is visible above the seawater level ?
A. 1/8th
B. 1/6th
C. 1/10th
D. None of themOhm is a unit of measuring _____ ?
A. Current
B. Voltage
C. Resistance
D. None of themThe ohm is the standard unit of electrical resistance in the International System of Units (SI). It’s one of the derived units defined in the SI standard,
An artificial satellite revolves round the Earth in circular orbit, which quantity remains constant ?
A. Linear Velocity
B. Angular Momentum
C. Angular Displacement
D. None of them