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If the unit of length is doubled, unit o...

If the unit of length is doubled, unit of time is halved and unit of force is quadrupled, the unit of power would change by the factor

A

`1//4`

B

16

C

`1//16`

D

8

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The correct Answer is:
B
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AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE -2
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  2. If the unit of power is million erg/minute, the unit of force is 1000 ...

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  3. If the unit of length is doubled, unit of time is halved and unit of f...

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  5. In CGS system the magnitude of the force is 100 dyne.In another system...

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  6. The volume V of a liquid crossing through a tube is related to the are...

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  7. The critical velocity v of a body depends on the coefficient of viscos...

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  8. If density (D), acceleration (a) and force (F) are taken as basic quan...

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  9. The critical angular velocity w of a cylinder inside another cylinder ...

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  10. The liquid drop of density rho, radius r and surface tension o oscilla...

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  13. The distance travelled by a particle in n^(th) second is Sn =u+a/2 (2n...

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  14. The position of a particle at time t is given by the equation x(t) = V...

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  15. If J is the angular momentum and E is the kinetic energy, then (J^2)/E...

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  16. If L is the inductance, C is the capacitance and R is the resistance, ...

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  17. If h is Planck's constant and lambda is the wave length,h/(lambda) has...

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  18. Which of the following combinations of three different physical quanti...

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  19. Which of the following physical quantities represent the dimensions of...

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  20. The radius of a sphere is measured as (10 +- 0.02%) cm. The error in ...

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