Published by:
CGP EDU Academic Team
Published on: August 22, 2026
Electromagnetic radiation of wavelength 
is just sufficient to ionize the atom of metal A.
The ionization energy of metal 
in 
is . (Rounded off to the nearest integer)
Text Solution
Verified by ExpertsThe correct answer is:
180
(180)
Energy req. to ionize an atom of metal 'A' 
for 1 mole atoms of ' 
'
Total energy required 
Nearest Integer 
.
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