If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Solid State — quick quiz

5 real JEE Advanced questions on Solid State. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 3

HARD

A solid AB has a rock salt (NaCl) structure with edge length 5.6 Å. If the radius of A⁺ is 0.98 Å, calculate the radius of B⁻ (in Å). (In rock salt, 2(r₊ + r₋) = a)