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The value of Planck's constant in SI uni...

The value of Planck's constant in SI unit is

A

`6.63 xx 10^(-31 )` J-s

B

`6.63 xx 10^(-30 )` kg - m/s

C

`6.63 xx 10^(-32)` kg- m/s

D

`6.63 xx 10^(-34)` j-s

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The correct Answer is:
D
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AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE -1 A
  1. The dimensional equation for magnetic flux is

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  2. A pair of physical quantities having same dimensional formula is

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  3. The value of Planck's constant in SI unit is

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  4. The unit of permittivity of free space, epsilon(0) is

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  5. The dimensional formula of the Universal constant of gravitation is

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  6. The ratio of the dimension of Planck's constant and that of the moment...

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  7. The volocity v of the particle at time t is given by v = at + b/(t + c...

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  8. Dimensions of resistance in an electrical circuit, in terms of dimensi...

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  9. If the error in the measurcmcnt of radius of a sphere is 2% , then the...

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  10. Which two of the following five physical parameters have the same dime...

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  11. If the dimension of a physical quantity are given by M^(a) L^(b) T^(e)...

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  12. The dimensions of 1/2 epsilon E^2. Where epsilon0 is permittivity of f...

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  13. A student measure the distance traversed in freely fall of a body init...

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  14. The density of a material in CGS system of units is '4 g/cm^3'. In a s...

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  15. The damping force on an oscillator is directly proportional to the vel...

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  16. If force (F), Velocity (V) and time (T) are taken as fundamental units...

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  17. If energy (E), Velocity (V) and time (T) are chosen as the fundamental...

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  18. Planck's constant (h), speed of light in vacuum (c) and Newton's gravi...

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  19. A) Work and energy have the same units in any given system of measurem...

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  20. A standard unit should be (a) consistent (b) reproducible (c) ...

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