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The energy of an electromagnetic radiati...

The energy of an electromagnetic radiation is `19.875 xx 10^(-13)erg`. What is its wave number in `cm^(-1)`? `(h=6.625xx10^(-27)erg-s, c=3xx10^(10)cms^(-1))`

A

1000

B

`10^(6)`

C

100

D

10000

Text Solution

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The correct Answer is:
A
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The energy of an electromagnetic radiation is 19.875 xx 10^(-13) ergs. What is the wave number in cm^(-1) ? ( h = 6.625 xx 10^(-27) erg.sec, c = 3 xx 10^(10) cm.sec^(-1) )

The energy of an electromagnetic radiation is 3 xx 10^(-12) ergs. What is its wavelength in nanometers ? ( h = 6.625 xx 10^(-27) erg.sec, C = 3 xx 10^(10) cm.sec^(-1)

The energy of a photon is 3 xx10^(-12)erg .What is its wavelength in nm? (h=6.62xx10^(-27)erg-s,3xx10^(10)cm s^(-1))

If the kinetic energy of an electron is 4.55 xx 10^(-25)J , find its wavelength (Planck's cosntant, h = 6.625 xx 10^(-34) kgm^(2)s^(-1), m = 9.1 xx 10^(-31)kg ).

If the kinetic energy of an electron is 4.55xx10^(-25)J , find its wavelength (Planck's constant, h=6.6xx10^(-34)kgm^(2)s^(-1),m=9.1xx10^(-31)kg) .

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