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AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE- 1 B
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- (A) : In a measurement, two readings obtai- ned are 10.001 and 10.0001...
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- (A): Out of the measurements A = 10.00 and B = 10.000 B is more accura...
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- (A): All physically correct equations are dimensionally correct. (R...
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- (A): Physical relations involving addition and subtraction cannot be d...
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- (A) : An exact number has infinite number of significant digits. (R...
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- (A): A dimensionless quantity may have unit. (R) : Two physical quan...
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- If x=(a^m.b^(n))/(c^(p).d^(q)) then the percentages error in the meas...
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- (A) : Dimensionless quantities have no units. (R): Unitless quantit...
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- (A): Ampere is a standard unit of electric current. (R): It is indep...
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- (A): The distance of a star from earth can be measured by parallax met...
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- (A) : A unitless quantity cannot have a dimensional formula. (R): A...
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- (A): A measurement which is less accurate is more precise. (R): Prec...
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- (A): Systametic errors are due to a definite cause and can be minimise...
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- (A): When an algebraic equation has been derived, it is advisible to c...
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- (A): The order of accuracy of a measurement depends on the least count...
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- (A): The method of dimensions cannot be used to obtain the dependence ...
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- (A) : Mass, Volume and time may be taken as fundamental quantities in ...
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- (A): The method of dimensions cannot be used to derive the formula N=N...
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