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	SI Unit of angular momentum are.	A. kg m2 s-1 B. kg ms-1 C. kg ms2 D. kg m2 s-2
2	For total acssessment of uncertinty in the final result obtained by multiplication and division	A. Absolut euncetainties are added B. Uncertainties are multiplied C. %age uncertainties are added D. Erros are added
3	Dimensions of viscosity are.	A. [ML-1T] B. [ML-1T-1] C. [ML-1T-2] D. [ML2T-1]
4	The percentage uncertainty in measurement of mass and velocity are 2% and 3% , the maxium uncertainty in the measurement of kinetic energy is.	A. 85% B. 11% C. 6% D. 1%
5	The Diment sions of moment of inertia are	A. [ML2] B. [ML-2] C. [ML3] D. [ML]
6	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
7	When rounded off upto three significnat figures the value 6.835is written as.	A. 6.83 B. 6.84 C. 6.80 D. 6.85
8	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
9	The Dimension of Power is.	A. [ML2T-2] B. [ML2T-3] C. [ML2T-1] D. [MLT-1]
10	The dimensions of angula momentum are.	A. [ML2T-1] B. [MLT-2] C. [MLT1] D. [ML2T-2]