You are given two nuclei `._3X^7` and `._3Y^4`. Explain giving reasons, as to which one of the two nuclei is likely to be more stable?

Which one of 3X^7 and 3Y^4 likely to be more stable?

You are given two nuclides "_3X^7 and "_3X^4 : Which one of the two is likely to be more stable?

You are given two nuclides ""_(3)^(7)X and ""_(3)^(4)Y . a. Are they the isotopes of the same element ? b. Which one of the two is likely to be more stable? c. Give reason.

We have two nuclei ""_(4)X^(8) and ""_(5)Y^(9) .

You are given two nuclides "_3X^7 and "_3X^4 : Are they isotope of the same element? Why?

You are given two materials X and Y. On hammering X is flattened, but Y breaks. Which one is a metal ?

Binding energies of ._8O^(16) and ._17Cl^(35) are 127.35 MeV respectively. Which of the two nuclei is more stable?

Binding energy per nucleon of three nuclei A, B and C are 5.5, 8.5 and 7.5 respectively. Which one of the following nuclei is most stable?

You are given two convex lenses of focal lengths 5 cm and 25 cm. Which one of these would you like to use as an objective in a telescope? Give reasons for your answer.