Physics MCQs

852 MCQs  (Page 85 of 86)

Attempt Physics Quiz
The ratio of displacement to distance can not be___________?
A. Equal to one
B. Less than one
C. Greater than one
D. All are possible
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When a projectile moves upward , its vertical component of velocity?
A. Decrease
B. Increase
C. Remains same
D. None of these
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A vector can have maximum________components in space.?
A. Zero
B. Two
C. Three
D. Infinite
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Optics does not deal with ___________?
A. Nature of light waves
B. Properties of light
C. Characteristics of sound
D. Lenses and mirrors
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Which of the following is a good moderator?
A. Helium
B. Cadmium
C. Graphite
D. Ordinary water
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Length, mass, time, intensity of light and amount of substance are examples of ____________?
A. Base quantities
B. Derived quantities
C. Prefixes
D. Quartile quantities
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For what value of “a” , the magnitude of a vector A= 2i^+j^+ak^ should be 3?
A. -2
B. 2
C. 4
D. Both a & b
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The range of radio frequencies for communication through free space is which of the following?
A. Few hundreds of hz to a few khz
B. Few hundreds of mhz to a few ghz
C. Few hundreds of khz to a few ghz
D. Few hundreds of hz to a few thousands khz
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Identify the range of optical communication from the following.
A. to ultraviolet
B. Microwaves to ultraviolet
C. Microwaves to x rays
D. X rays to gamma rays
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The bandwidth of optic fiber is high.
A. True
B. False
C.
D.
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Word of the Day
22 Jul
Combative
ready or eager to fight or argue.
لڑاکا، متنازع، جھگڑالو

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