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Last Updated On [03-11-2023]

For a given principal level , the energy of its subshells is of the order

a)

b)

c)

d)


Question ID - 101517 :-

For a given principal level , the energy of its subshells is of the order

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)



Next Question :

The unstable nucleus decays with  - particle emission, having a half-life of 10 h.  From this it follows that the

I. mass number of the product is 212

II. atomic number of the product is 81

III. fraction of the original isotope remaining after 20 h is 1/4

IV. Nucleus formed is stable

Select the correct alternate

a)

I, II and III

b)

I and III

c)

II and IV

d)

IV


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