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If mu(0) be the magnetic permeability ar...

If `mu_(0)` be the magnetic permeability are `epsilon_(0)` the electric permittivity of free space then speed of em waves in freee space is given as : c = ______________.

Text Solution

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`(1)/(sqrt(mu_(0)epsilon_(0)))`
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Electric permittivity of free space is _________

The value of electric permittivity of free space is

Knowledge Check

  • Total energy of EM waves in free space is given by

    A
    `(E^(2))/(2epsilon_(0))+(B^(2))/(2mu_(0))`
    B
    `(epsilon_(0)E^(2))/(2)+(mu_(0)B^(2))/(2)`
    C
    `(E^(2)+B^(2))/(C )`
    D
    `(epsilon_(0)E^(2))/(2)+(B^(2))/(2mu_(0))`

  • The value of electric permittivity of free space is

    A
    `9xx10 ^(9) N C^(2) m^(-2) `
    B
    ` 8x85 xx10 ^(-12) N m^(2) C^(-2) `
    C
    ` 8.85 xx 10^(-12) C^(2) N^(-1) m^(-2) `
    D
    ` 9xx 10 ^(9) C^(2) N^(-1) m^(-2) `

  • The speed of electromagnetic waves in free space is

    A
    `mu_0 epsi_0`
    B
    `(1)/(mu_0 epsi_0)`
    C
    `sqrt( mu_0 epsi_0)`
    D
    `(1)/( sqrt((mu_0 epsi_0))`

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