Home
Class 11
CHEMISTRY
The energy of a photon is 3 xx10^(-12)er...

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))`

A

662

B

1324

C

66.2

D

6.62

Text Solution

Verified by Experts

The correct Answer is:
A

`E= (hc)/(lambda) , 3 xx 10^(-12) = (6.625xx10^(-27) xx 3xx10^8)/(lambda)`
Promotional Banner

Similar Questions

Explore conceptually related problems

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))

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 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) )

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) .

An X- ray tube produces a continuous spectrum of raditation with its shortest wavelength of 45xx10^(-2) A. The maximum energy of a photon in the radiation of in eV is (h=6.62xx10^(-34)J-s,c =3xx10^(8)ms^(-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 ).

The energy of an X-ray photon of wavelength 1.65Å is (h=6.6xx10^(-34)Js,c=3xx10^(4)ms^(-1),ev=1.6xx10^(-19)J)