Physics MCQs

852 MCQs  (Page 56 of 86)

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A ferromagnet will become fully magnetized at_________________?
A. High voltage a.c
B. Low voltage a.c
C. Alternating current at its peak value
D. c current at peak value
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Materials in which valence electrons are tightly bound to their atoms at low temperature are called___________________?
A. Semi conductor
B. Super conductors
C. Insulators
D. Conductor
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The angular position of cells remains the same for a sample of a crystal. This property is called___________________?
A. Isotropy
B. Cleavage
C. Homogeneity
D. The external symmetry of form
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If the density of atoms remain same along any direction in a crystal is called__________________?
A. Symmetry
B. Homogeneity
C. Isotropy
D. Cleavage
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The band theory of solids explains satisfactorily the nature of_________________?
A. Electrical insulators alone
B. Electrical conductors alone
C. Electrical semi conductors alone
D. All of the above
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Biomass can be converted into fuels by____________________?
A. Direct combustion
B. Fermentation
C. Both a and b
D. None of these
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Which of the following substances posses the highest elasticity ?
A. Rubber
B. Steel
C. Glass
D. Copper
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What are the dimensions of stress ?
A. Mlt-2
B. Ml-2t-1
C. Ml-1t-2
D. Ml-t-1
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Which one of the following physical quantities does not have the dimensions of force per unit area ?
A. Stress
B. Strain
C. Youngs modulus
D. Pressure
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A wire of length L is stretched by a length E when a force F is applied at one end. If the elastic limit is not exceeded the amount of energy stored in the wire is_________________?
A. Fe
B. (fe)
C. Fe2/l
D. Fe2
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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