Out of `N_2` and `NH_3` which one will have greater value of 'a' and which one will have greater value of 'b'?

Which one has greater r.m.s value among hydrogen and oxygen?

The MI of the rotating bodies A and B are I_A and I_B . I_A > I_B , but the bodies have equal angular momenta then which one will have greater KE?

State Henry's law. At the same temperature, CO_2 gas is more soluble in water then O_2 gas. Which one of them will have higher value of K_H ?

State Henry's law. At the same temperature, hydrogen gas is more soluble in water than helium gas. Which one of them will have higher value of K_H ?

For any event E the value of P(E). is ___then 1 and greater than 0

You are given circular discs of equal masses and thickness, but one is made of iron and the other of alminium. Which one will have large MI about the central axis?

A ring and a circular disc of different materials have equal masses and equal radii. Which one will have a larger moment of inertia about an axis passing through its centre of mass perpendicular to its plane?

For what value of k the equation 2x^2-2kx+k=0 will have real and equal roots.