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What is the velocity of E.M. wave in air...

What is the velocity of E.M. wave in air medium-

A

`1/(mu_0in_0)`

B

`sqrt(mu_0in_0)`

C

`1/sqrt(mu_0in_0)`

D

`(mu_0in_0)`

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UNITED BOOK HOUSE-MODEL PAPER SET-16-EXERCISE
  1. If the force between the two parallel wires having carrying current, i...

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  2. What is the condition for wattless current?

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  3. What is the velocity of E.M. wave in air medium-

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  4. The wavelength for a light in air is 7200 overset@A. What will be its ...

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  5. What is the momentum for a photon having frequency gamma ?

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  6. Which one of the following does not obey the particle nature of Pigut?

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  7. If the radius of first Bohr orbit of H is 0.53overset@A, then what wil...

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  8. For any trarisister alpha = 0.96, what is the value of its beta?—

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  9. Where the value of angle of Dip is Maximum?

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  10. When two conducting wires used to attract each other?

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  11. For any-AC wave the effective voltage is how much of the peak value?

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  12. In what condition a convex lens behave like a concave one? ,

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  13. In Boolean Algebra— (1011)2 + (1101)2 = [?]10 .

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  14. A silver wire has a resistance of of 2.1 Omega at 27..5^@C and a resis...

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  15. How to convert a galvanometer into a voltmeter?

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  16. A wire of length I is bent to form a circular, form of radius R. If I ...

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  17. The form of an electromagnetic wave is— B=10xx 10^-7sin{2xx 10^11t- 10...

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  18. An electron of H1^1atom is on the 4th excited state. How many spectrum...

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  19. Find out the binding energy- of the, nuclens t Fe26^56[Fe^56]=55.93493...

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  20. State the Gauss’s theorem. Findout the expression for electric field’ ...

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