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
Physics Mcqs
To reduce the uncertainty in the timing experiment______________?
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
The number of significant figures in 5.400 is________________?
The number of significant figures in 5.400 is________________?
A. 3
B. 5
C. 2
D. None
In multiplication and division of measurement______________?
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
Zero error of the instrument is a type of_________________?
Zero error of the instrument is a type of_________________?
A. Random error
B. Personal error
C. Systematic error
D. Classified error
Which one is the dimensionally correct equation ?
Which one is the dimensionally correct equation ?
A. f=vt
B. S=Vit+1/2at2
C. V=St
D. V=f/t
Which one is the correct representation of the unit of pressure ?
Which one is the correct representation of the unit of pressure ?
A. Newton/Meter2
B. newton/meter2
C. Newton/meter2
D. newton/Meter2
Which one is the derived quantity in SI units _____________?
Which one is the derived quantity in SI units _____________?
A. Electric current
B. Electric charge
C. Plane angle
D. Amount of substance
One light year is equal to________________?
One light year is equal to________________?
A. 9.5x1015m
B. 9.5x1015sec
C. 9.5x1015Km
D. 9.5x1015cm
How many main frontiers of fundamental science ?
How many main frontiers of fundamental science ?
A. 1
B. 2
C. 3
D. 4