- no two electrons in the same atom can have the same set of four quantum numbers.
- two atoms of the same element must have the same number of protons.
- it is impossible to determine accurately both the position and momentum of an electron simultaneously.
- electrons of atoms in their ground states enter energetically equivalent sets of orbitals singly before they pair up in any orbital of the set.
Category: Physics mcqs
- Electrons can be removed from atoms and accumulated to produce a negative charge.
- Atoms from which electrons have been removed produce a positive electric charge.
- Both A and
- Neither A nor
- voltage operated device
- resistance operated device
- current operated device
- power operated device
- metals
- intrinsic semiconductors
- p type extrinsic semiconductor
- n type extrinsic semiconductor
- have a displacement of 50 m
- cover a distance of 40m in reaching the ground
- reach the ground in 4s
- begin to move downwards after being released
- Motion of an electron in a Bohr orbit
- Spinning of the earth about its own ax is
- Waves moving along a string fixed at both ends
- Particle moving along a curve with an acceleration
- V and T
- P and T
- V and E
- E and Cp
- Unity
- Speed of light in vacuum
- Reciprocal of the speed of light in vacuum
- The ratio of magnetic permeability to electrical susceptibility in a vacuum
- Displacement, velocity
- Time, frequency
- Wavelength, focal length
- Force, acceleration
- the radius
- the tangent to the orbit
- a line perpendicular to the plane of rotation
- the line making an angle of 45° to the plane of rotation.
- 50 Hz
- 60 Hz
- 80 Hz
- 100 Hz
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