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If dimensions of A and B are different, ...

If dimensions of A and B are different, then which of the following operation is valid?

A

`(A)/(B)`

B

`e^(-A//B)`

C

`A-B`

D

`A+B`

Text Solution

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The correct Answer is:
A
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ALLEN-PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT -EXERCISE-I DIMENSIONS
  1. When a wave travells in a medium, the displacement of a particle locat...

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  2. The dimensional formula of wave number is

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  3. The method of dimensional analysis can be used to derive which of the ...

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  4. Which of the following does not have dimensions of force?

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  5. Which of the following is incorrect statement

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  6. A dimensionless quantity

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  7. A unitless quantity

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  8. The equation of a wave is given by Y = A sin omega ((x)/(v) - k), wher...

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  9. The time dependence of physical quantity p is given by p = p(0) exp (-...

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  10. What is the dimensional formula of angular velocity?

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  11. The equation of state of some gases can be expressed as (p+(a)/(V^(2...

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  12. A force F is given by F=at+bt^(2), where t is time. The dimensions of ...

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  13. If the energy, E=G^(p)h^(q)c^(r), where G is the universal gravitation...

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  14. Match list I with II and select the correct answer :

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  15. The dimension of torque is

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  16. Using mass (M), length (L), time (T) and current (A) as fundamental qu...

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  17. Find the dimensions for relative density.

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  18. The dimensions of universal gravitational constant are

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  19. If dimensions of A and B are different, then which of the following op...

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