Category: Physics Mcqs

Many of the semi conductors are crystals of the type__________________?

Hamad Physics Of Solids 01/03/2021

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A. Face centred cubic
B. Body centred cubic
C. Simple cubic
D. All of the above

In obtaining an X-ray photograph of our hand we use the principle of______________?

Hamad Atomic Spectra 27/02/2021

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A. photo electric effect
B. ionization
C. shadow photograph
D. any of above

Boyles law helds for ideal gases in________________?

Hamad Heat and Thermodynamics 24/02/2021

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A. isochoric processes
B. isobaric processes
C. isothermal processes
D. adiabatic processes

The velocity of sound in air would become double than its velocity at 0°C at temperature________________?

Hamad Waves 23/02/2021

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A. 313°C
B. 586°C
C. 819°C
D. 1172°C

An OP-AMPs can amplify_______________?

Hamad Electronics 21/02/2021

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A. D.C.
B. A.C.
C. Both A.C. & D.C.
D. None of the above

A simple pendulum suspended from the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely, the time period is_________________?

Hamad Oscillations 21/02/2021

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A. Infinite
B. T/g
C. Zero
D. g/T

The effect of the decrease in pressure with the increase of the speed of the fluid in a horizontal pipe is known as______________?

Hamad Fluid Dynamics 19/02/2021

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A. Bernoulli effect
B. Torricelli effect
C. Venturi effect
D. Stokes effect

Forward current through a semi conductor diode circuit is due to____________?

Hamad Electronics 19/02/2021

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A. minority carriers
B. majority carriers
C. holes
D. electron

The size of one degree of Celsius is equal to_________________?

Hamad Heat and Thermodynamics 18/02/2021

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A. One degree of Fahrenheit scale
B. 1.8 degrees of Fahrenheit scale
C. 3.2 degrees of Fahrenheit scale
D. 2.12 degrees of Fahrenheit scale

The rectangular voltage is an example of____________________?

Hamad Electronics 18/02/2021

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A. An analogue waveform
B. Continuous wave form
C. Electronic waveform
D. A digital waveform