Physics MCQs

852 MCQs  (Page 32 of 86)

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Which one is the derived quantity in SI units _____________?
A. Electric current
B. Electric charge
C. Plane angle
D. Amount of substance
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Which one is the correct representation of the unit of pressure ?
A. Newton/meter2
B. Newton/meter2
C. Newton/meter2
D. Newton/meter2
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Which one is the dimensionally correct equation ?
A. F=vt
B. S=vit+1/2at2
C. V=st
D. V=f/t
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Zero error of the instrument is a type of_________________?
A. Random error
B. Personal error
C. Systematic error
D. Classified error
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In multiplication and division of measurement______________?
A. Percentage uncertainties are added
B. Absolute uncertainties are added
C. Percentage uncertainties are divided
D. Absolute uncertainties are divided
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The number of significant figures in 5.400 is________________?
A. 3
B. 5
C. 2
D. None
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To reduce the uncertainty in the timing experiment______________?
A. Highly precise instrument
B. Conduct at room temperature
C. Count number of vibration
D. Both a and c
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The number of significant figures in the length of a bar 6200mm measured by meter rod is_______________?
A. 4
B. 3
C. 2
D. None of these
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The number 76.85 is rounded off up to two significant figures as_____________?
A. 76.8
B. 77
C. 76.9
D. None of these
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Which of the following is not a correct representation method for prefixes______________?
A. 1mm
B. 10km
C. 1000um
D. Both a and b
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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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