11th class Physics chapter 1 online mcq test with answers for ICS part 1 Physics chapter 1(Measurements)

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Sr.#	Question	Answer
1	How many significant figures are in the measurement 0.004500 kg?	A. 3 B. 4 C. 5 D. 6
2	The scientific notation of numebr 0.0023 is expressed.	A. 2.3 x 10^-3 B. 0.2.3 x 10^-3 C. 2.3 x 10^-4 D. 02.3 x 10⁴
3	The Dimension of freqeuncy is	A. [T-1] B. [LT] C. [MLT] D. [LT-1]
4	The value 56.8546 cna be rounded off up to three signficant figures.	A. 56.8 B. 56.9 C. 56.7 D. 56.86
5	The unit of pressure is.	A. Nm-2 B. Nm C. N2 m-1 D. N2 m
6	The Diment sions of moment of inertia are	A. [ML2] B. [ML-2] C. [ML3] D. [ML]
7	The number of significant figures of a measureent are define das.	A. They reflect the accuracy of the observation in a measurement B. They are teh figures which are reasonably reliable C. They are the accurately known digits and the first doubtful digit of measurement D. All of the above
8	Uncertainty may occur due to	A. Limitatio of an insturement B. Personal negligance C. Natural variance of the boject D. All of the above
9	Physical quantites are oftern divided into.	A. two categories B. Three categories C. Four Categories D. Five categories
10	The answer of the product (2.8723 x 1.6) to the appropriate numebr of significant figures is.	A. 4.6 B. 4,595 C. 4,59568 D. 4.59