Entry Test MCQ :: Measurements part 2

NOTE :ANSWERS ARE PRESENT AFTER 10 MCQs

21.	One light year is equal to
	A. 9.5x1015m B. 9.5x1015sec C. 9.5x1015Km D. 9.5x1015cm

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22.	Absolute uncertainty in a measurement depends upon
	A. magnitude of the measurement B. least count of the instrument C. percentage error in the measurement D. all of a, b and c

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23.	Steradian is the SI unit of
	A. plane angle B. solid angle C. both plane angle and solid angle D. neither plane angle nor solid angle

24.	An ideal standard of measurement of a base quantity has characteristics
	A. accessible B. invariable C. transportable D. only a and b are correct

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25.	Total uncertainty, in result obtained from the subtraction of two measurement, is equal to
	A. sum of their absolute uncertainties B. difference of their absolute uncertainties C. product of their absolute uncertainties D. division of their absolute uncertainties

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26.	Which one is the highest power multiple?
	A. giga B. beta C. mega D. deca

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27.	One pico stands for
	A. 10 raised to power -15 B. 10 raised to power -12 C. 10 raised to power -9 D. 10 raised to power -6

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28.	Unit of G is?
	A. Nm2Kg2 B. Nm2Kg C. Nm2Kg-2 D. none

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29.	The unit of force is _________ and its symbol is __________. Which is the correct pair?
	A. Newton, n B. Newton, N C. newton, n D. newton, N

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30.	How many main frontiers of fundamental science?
	A. 1 B. 2 C. 3 D. 4 ANSWERS OF ABOVE TEN MCQs 21.(A) 22.(B) 23.(B) 24.(D) 25.(A) 26.(A) 27.(B) 28.(B) 29.(D) 30.(C)

31.	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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32.	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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33.	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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34.	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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35.	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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36.	The number of significant figures in 5.400 are
	A. three B. five C. two D. none

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37.	To reduce the uncertainty in the timing experiment
	A. highly precise instrument B. conduct at room temperature C. count more number of vibration D. both a and c

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38.	The unmber of significant figures in the length of a bar 6200mm measured by meter rod are
	A. four B. three C. two D. none of these

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39.	The number 76.85 is rounded off upto two significant figures as
	A. 76.8 B. 77 C. 76.9 D. none of these

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40.	Which of the following is not a correct representation method for prefixes
	A. 1mm B. 10km C. 1000um D. both (a) and (b) ANSWERS OF ABOVE TEN MCQs 31.(B) 32.(B) 33.(B) 34.(C) 35.(A) 36.(D) 37.(D) 38.(A) 39.(B) 40.(C)