Which of the following graph correspond to one node
Number of protons, neutrons and electrons in the element 89Y231 is
Which one of the following is not the characteristic of Planck’s quantum theory of radiation?
If the de-Broglie wavelength of a particle of mass m is 100 times its velocity, then its value in terms of its mass (m) and Planck’s constant (h) is
Question is mentioned below :
The magnetic moment of Mx+ (atomic number of M = 25) is B.M. The number of unpaired electrons and the value of x respectively are
The energy absorbed by each molecule (A2) of a substance is 4.4 × 10–19 J and bond energy per molecule is 4.0 × 10–19 J. The kinetic energy of the molecule per atom will be:
Question is mentioned below :
The magnetic moments of Cu (Z = 29), Ti (Z = 22), and Cr (Z = 24) are in the ratio of
If uncertainty in position and momentum are equal, then uncertainty in velocity is :