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(A) In multiplication or division, the f...

(A) In multiplication or division, the final result should retain only that many significant figures as are there in the original number with the least number of significant figures.
(B) In addition or subtraction the final result should retain only that many decimal places as are there in the number with the least number of decial places.

A

Only A is correct

B

A, B are correct

C

Only B is correct

D

A, B are wrong

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE -1 A
  1. (A) All zeros to the right of the last nonzero digit after the decimal...

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  2. If the immediate insignificant digit to be dropped is 5 then there wil...

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  3. (A) In multiplication or division, the final result should retain only...

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  5. (A) : : Plane angle has unit but no dimensional formula (B) : All di...

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  6. Dimensional formulae are used A) to convert one system of units into...

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  7. (A) The correctness of an equation is verified using the principle of ...

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  8. .(A): The value of dimensionless constants or proportionality constant...

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  9. Which of the following is not a unit of time A) par - sec " " B)...

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  10. Which of the following is dimensionless (a) Boltzmann constant (b) ...

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  11. For a body in a uniformly accelerated motion, the distance of the body...

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  12. Three of the quantities defined below has the same dimensional formula...

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  13. If e, E0, h and C respectively represents electronic change, permittiv...

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  14. Photon is quantum of radiation with energy E= hv where v is frequency ...

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  15. A book with many printing errors contains four different expressions f...

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  16. {:("List-I","List - 2"),((a)"Temperature", "(e)Light Year"),((b)"Mass"...

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  17. Match the following : {:("List - 1","List - 2"),((a) "second" ,(e) "...

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  18. {:("List-I","List - 2"),((a)m^(-1),(e)"Surface tension"),((b)Pa,(f)"Th...

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  19. {:("List-I","List-2"),((a)"Electron volt",(e)746 W),((b) "kWH", (f) 10...

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  20. {:("List-I","List-2"),((a)"Pressure ",(e)ML^(2)T^(-2)I^(-1)),((b)"Late...

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