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(A) All zeros to the right of the last n...

(A) All zeros to the right of the last nonzero digit after the decimal point are significant.
(B) If the number is less thant one, all the zeros to the right of the decimal point but to the left of the first nonzero digit are not significant.

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 MEASUREMENT-EXERCISE - I
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  2. The time period of a seconds pendululm is measured repeatedly for thre...

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  3. (A) All zeros to the right of the last nonzero digit after the decimal...

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

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

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  6. The correct order in which the dimensions of 'Length" increases in the...

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

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

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

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

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

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

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

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  14. If Plank's constant (h) and speed of light in vacuum (c) are taken as ...

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  15. Name of units of some physical quantities are given in List - 1 and th...

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

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  17. Name of units of some physical quantities are given in List - 1 and th...

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  18. Match the list - I with list - II {:("List - I","List - II"),((A) "B...

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  19. Dimensional formula for thermal conductivity.

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  20. Force is given by the expression F = A cos (Bx) + C cos (Dt), where x ...

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