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If x = at + bt^2 , where x is the distan...

If `x = at + bt^2` , where x is the distance travelled by the body in kilometer while t is the time in second, then the unit of b is

A

km/s

B

km-s

C

km/`s^(2)`

D

km-`s^(2)`

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The correct Answer is:
C
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AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE -1 A
  1. Of the following quantities, which one has dimensions different from t...

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  2. Dimensional formula of self-inductance is

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  3. If x = at + bt^2 , where x is the distance travelled by the body in ki...

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  4. The dimensional formula of torque is

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  5. Thd dimensional formula of pressure is

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  6. Turpentine oil is flowing through a tube of length L and radius r. The...

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  7. According to Newton, the viscous force acting between liquid layers o...

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  8. Which of the following is a dimensional constant ?

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  9. Which of the following will have the dimensions of time ?

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  10. Which of the following is the most precise instrument for measuring le...

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  11. Which of the following sets cannot enter into the list of fundamental...

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  12. The dimensional formula for magnetic flux is

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

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

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  15. SI unit of permittivity of free space is

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  16. The dimensions of universal gravitational constant are

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  17. The ratio of the dimensions of Planck's constant and that of the momen...

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  18. The velocity v of a particle at time t is given by v=at+(b)/(t+c), whe...

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

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  20. If the error in the measurement of radius of a sphere is 2%, then the ...

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