Category: Physics Mcqs

For confinement of electron in a box of radius 10-14m the electron, speed should be_____________?

Hamad Modern Physics 02/03/2024

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A. 107m/sec
B. Should be greater than the speed of light.
C. Be zero
D. Not be wave-like

The critical speed of an artificial satellite is_______________?

Hamad Circular Motion 28/02/2024

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A. 8 Kms-1
B. 8.1 Kms-1
C. 7.9 Kms-1
D. 8 ms-1

Who were the pioneers of Physics?

Hamad Physics Mcqs 24/02/2024

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A. Egyptians
B. Greek
C. Latin
D. Persians

Unit vector n^ is along______________?

Hamad Vectors And Equilibrium 22/02/2024

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A. X-axis
B. Normal on a surface
C. Y-axis
D. Z-axis

The SI unit of force constant is identical with that of__________________?

Hamad Oscillations 21/02/2024

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A. Force
B. Pressure
C. Surface tension
D. Loudness

The co efficient of linear expansion is equal to__________?

Hamad Physics Mcqs 14/02/2024

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A. ΔL = αLΔT
B. ΔL/LΔT
C. LΔT/ΔL
D. αLΔT-ΔL

Which of the following waves have smallest velocity in vacuum?

Hamad Everyday Science Mcqs Physics Mcqs 13/02/2024

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A. Ultraviolet
B. Sound
C. Infra-Red
D. Micro

Two convex lenses of equal focal length f are placed in contact the resultant focal length of the combination is______________?

Hamad Optical Instruments 13/02/2024

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A. zero
B. focus
C. 2 f
D. f/2

The turning effect of force is called_________?

Hamad Everyday Science Mcqs Physics Mcqs 11/02/2024

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A. Moment
B. Momentum
C. Torque
D. None of these

When body is in motion, ____________ always changes?

Hamad Motion and Force 02/02/2024

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A. its velocity
B. its acceleration
C. its position vector
D. its momentum