Answerr quickly all the ques 'Rao IIT Academ
what should betheratio oftheradii ofthe
16
and
Which of the
(C) M and N
(B)LandN
A and g
(A) —5.44 10-10 joule
(C)-21.79x
014 What should he the emitted energy when the
(B) joule
"joule
Q.IS What should he the kinetic erergyof clcctmn in the first orbit ontvdr*natom?
(A)-13.6eV
toj-6.sev
(B) 46.8 ev
Q•16 Which ofth•e followingshould
(A)-13.6eV
Q.17 What shouldlx• the first excitation potential ofLi'2?
(C) 13.6 eV
(A) +91.8ev
(B) 4132.4eV
Q•18 Iberatioofvelocityoftheelectroninthe r orbitofLi2• ionand4nattitofHe•ionis
from the nucleus is
(D) N one ofthese
(C) 4.361/
(A) 0.529 Å
0.20
