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What is the unit of frequency ?...

What is the unit of frequency ?

A

hertz

B

`"second"^(-1)`

C

`min^(-1)`

D

All of these

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The correct Answer is:
D
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AAKASH INSTITUTE-SOME BASIC CONCEPT OF CHEMISTRY-EXERCISE
  1. One day is equal to

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  2. Write the SI unit of luminous intensity and the amount of substance.

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  3. What is the unit of frequency ?

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  4. How many significant figures are in 0.0005?

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  5. The number of significant figures in 1.0001 are

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  6. Add (0.001 +0.02) upto correct number of significant figures

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  7. The multiple 5 xx 0.2 after rounding off will be

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  8. Round off 0.1525 upto three significant figures

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  9. Round off 0.1576 upto one digit after decimal

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  10. The value of (5.86 xx 3.96)/(2.86) will be equal to

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  11. The percentage of hydrogen in water and hydrogen peroxide is 11 .1 and...

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  12. Element X forms five stable oxides with oxygen of formula X(2) O, XO ,...

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  13. Which of the following represents Avogadro's hypothesis ?

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  14. When 200 g of lime strongly heated , it undergoes thermal decompositio...

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  15. Carbon and oxygen react in ratio 3 : 8 by mass to form CO(2) . What we...

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  16. Cu forms two oxides cuprous and cupric oxides, which law can be proved...

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  17. The law of conservation of mass holds good for all of the following ex...

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  18. Equal volumes of all gases under the same conditions of temperature an...

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  19. Which of the following pairs of compound illustrate law of multiple pr...

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  20. Gay Lussac's law is not valid in the chemical reaction:

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