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Expression for time in terms of G (unive...

Expression for time in terms of G (universal gravitational constant), h (Planck constant) and c (speed of light) is proportional to:

A

`sqrt((hc^(5))/(G))`

B

`sqrt((c^(3))/(Gh))`

C

`sqrt((Gh)/(c^(5)))`

D

`sqrt((Gh)/(c^(3)))`

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Defind G (universal gravitational constant.)

Define G (universal gravitational constant).

Knowledge Check

  • The dimension of universal gravitational constant are

    A
    `[M^(-1)L^(3)T^(-2)]`
    B
    `[ML^(2)T^(-1)]`
    C
    `[M^(-2)L^(3)T^(-2)]`
    D
    `[M^(-2)L^(2)T^(-1)]`

  • The dimensions of the universal gravitational constant are

    A
    `[M^(1)L^(1)T^(-2)]`
    B
    `[M^(1)L^(3)T^(-2)]`
    C
    `[M^(-1)L^(3)T^(-2)]`
    D
    `[M^(-1)L^(2)T^(-1)]`

  • The value of universal gravitational constant 'G' is

    A
    `6.67 xx 10^(11) Nm^2 // Kg^2`
    B
    `6.67 xx 10^(-11) Nm^2 //Kg^2`
    C
    `6.67 xx 10^(18) Nm^2 // Kg^2`
    D
    `6.67 xx 10^(-18) Nm^2 // Kg^2`

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    The dimensions of universal gravitational constant are :-

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    Why G is known as universal gravitational constant?

    The SI unit of the universal gravitational constant G is

    The C.G.S. unit of universal gravitational constant is

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