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Nature of Electromagnetic Radiation

On absorbing ...

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On absorbing light of wavelength 3800 \overset0A bromine molecule undergoes dissociation and forms atoms, The kinetic energy of one bromine atom assuming that one quantum of radiation is absorbed by each molecule would be ( Bond energy of Br_2=190 kJ/mol) (1) 1.04×10^{-19} J (2) 2.08×10^{-19} J (3) 1.25×10^{-5} J (4) 6.25×10^{-4} J

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Q. Iodine molecule dissociates into atoms after absorbing light of 4500

o A

. If one quantum of radiation is absorbed by each molecule. Calculate the kinetic energy of iodine atoms (bond energy of

I_{2} = 240 k J m o l^{- 1}

)

Q. The energy absorbed by each molecule (

A_{2}

of a substance is

4.4 \times 10^{- 19} J

and bond energy per molecule is

4 \times 10^{- 19} J

. The kinetic energy of the molecule per atom will be:

Q. The energy absorbed by each molecule

(A_{2})

of a substance is

4.4 \times 10^{- 19} J

and bond energy per molecule is

4.0 \times 10^{- 19} J

. The kinetic energy of the molecule per atom will be :

Q. If the energy absorbed by each

X_{2}

molecule of a gas is

35

10^{- 19} J

and the bond energy of

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180.6 k J m o l^{- 1}

then the kinetic energy per atom will be

Q. Iodine molecule dissociates into atoms after absorbing light of

4500 ˚ A

. If one quantum of radiation is absorbed by each molecule, calculate the kinetic energy of iodine atoms

[Bond energy of

I_{2} = 240 k J m o l^{- I}

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