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	The Dimension of freqeuncy is	A. [T-1] B. [LT] C. [MLT] D. [LT-1]
2	The least count of aninstrument determines	A. Precision of a measurment B. Accuracy of a measurement C. Factinal uncertainty of a measuremnet D. Percentage uncertainty of a measurement
3	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
4	SI Unit of force	A. Newton B. Dyne C. Joule D. Watt
5	The Diment sions of moment of inertia are	A. [ML2] B. [ML-2] C. [ML3] D. [ML]
6	[M⁰ L⁰T-1] Refers to.	A. Angular velocity B. Wavelength C. Time Period D. Velocity
7	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
8	The numebr of significant figures in the measrued mass 2500.0 kg is	A. Two B. Three C. Four D. Five
9	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
10	A precise measurement is the one which has	A. Greater precision B. Less precision C. Medium precision D. More % error