- AAtomic mass
- BMolecular mass
- CAtomic number
- DNone of the above
Explanation:
The mass of an atom expressed in amu is known as atomic mass. atomic mass unit defined as a unit of mass used to express atomic and molecular weights, equal to one-twelfth of the mass of an atom of carbon-12.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Out of gravitational, electromagnetic, Vander Waals, electrostatic and nuclear forces; which two are able to provide an attractive force between two neutrons
|
(a) Electrostatic and gravitational |
|
(b) Electrostatic and nuclear |
|
(c) Gravitational and nuclear |
|
(d) Some other forces like Vander Waals |
A parallel plate capacitor of plate separation 2 mm is connected in an electric circuit having source voltage 400 V. if the plate area is 60 cm2, then the value of displacement current for will be
|
(a) 1.062 amp |
(b) 1.062 |
(c) 1.062 |
(d) 1.062 |
The momentum of a photon in an X-ray beam of
metre wavelength is
|
(a) 1.5 |
(b) 6.6 |
|
(c) 6.6 |
(d) 2.5 |