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If mu is the permeability and in is the ...

If `mu` is the permeability and `in` is the permittivity then `(1)/(sqrt(mu in))` is equal to

A

Speed of sound

B

Speed of light in vaccum

C

Speed of sound in medium

D

Speed of light in medium

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The correct Answer is:
D
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AAKASH SERIES-UNITS AND MEASUREMENTS -ADDITIONAL PRACTICE EXERCISE (LEVEL - I (MAIN))
  1. If mu is the permeability and in is the permittivity then (1)/(sqrt(mu...

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  2. The dimensional formula for Magnetic Moment of a magnet is

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  3. [("Permeability")/("Permittivity")] will have the dimensions of

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  4. The dimensions of resistivity in terms of M, L, T and Q, where Q stand...

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  5. The least count of a stop watch is 1/5 sec. The time of 20 oscillation...

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  6. The number of significant figures in 6.023xx10^(23)"mole"^(-1) is

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  7. Which of the followinf units denotes the dimensions of ML^(2)//Q^(2), ...

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  8. If M is the magnetic moment, mu is the magnetic permeability and H is ...

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  9. If h is the Planck's constant, m = mass of the electron, e = charge of...

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  10. The expression (me^(4))/(8epsilon(0)^(2)h(c )^(3)) has the dimensions ...

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  11. A physical quantity 'P' is given by P = in0L(DeltaV )/(Deltat), where...

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  12. The result after adding 3.8xx10^(-6) to 4.2xx10^(-5) with due regard t...

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  13. Subtract 0.2 from 7.26 and express the result with correct number of s...

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  14. The length , breadth and thickness of a rectangular sheet of metal are...

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  15. The random error which exists invariably in screw gause

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  16. 1 cm on the main scale of a vernier callipers if divided into 10 equal...

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  17. Which of the following measuring instruments have largest least count ...

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  18. The pitch of a screw gauge is 0.5 mm. It's head scale contains 50 divi...

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  19. Which of the following is the most precise divice for measuring length

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  20. Give, potential difference V = (8 + 0.5) V and current I = (2 + 0.2) A...

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