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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 operaion is valid ?

A

`(A)/(B)`

B

`e^(-A//B)`

C

A-B

D

A+B

Text Solution

Verified by Experts

The correct Answer is:
A
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DC PANDEY-UNITS, DIMENSIONS & ERROR ANALYSIS -Chapter exercises (taking it together)
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  6. The dimensional formula for magnetic flux is

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  9. Three measurements are made as 18.425 cm, 7.21 cm and 5.0 cm. The addi...

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  10. What are the units of K (1)/(4pi in(0)) ?

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  11. The radius of a circle is 21.2 m. Its area according to the rule of si...

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  12. If the value of resistance is 10.845 ohm and the value of current is 3...

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  13. The position of the particle moving along Y-axis is given as y=At^(2)-...

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  14. The length, breadth and thickness of a block are given by l=12 cm , b=...

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  15. Out of following four dimensional quantities, which one quantity is to...

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  16. The random error in the arithmetic mean of 100 observations is x, then...

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  17. A physical quantity Q is calculated according to the expression Q=(A...

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  18. With usual notation, the following equation, said to give the distance...

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

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  20. if the randon error in the arithmetic mean of 50 observations is alpha...

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