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Lyman series lie in:
NET
NUST Entry Test
Chemistry
Atomic Structure
Balmer series lie in:
NET
NUST Entry Test
Chemistry
Atomic Structure
P-fund, Bracket and Paschen series lie in:
NET
NUST Entry Test
Chemistry
Atomic Structure
Transition from various energy levels to the lowest energy level gives:
NET
NUST Entry Test
Chemistry
Atomic Structure
Bohr's model of atom explains spectrum of:
NET
NUST Entry Test
Chemistry
Atomic Structure
The velocity of photon is:
NET
NUST Entry Test
Chemistry
Atomic Structure
Splitting of spectral lines when atoms are subjected to strong electric field is called:
NET
NUST Entry Test
Chemistry
Atomic Structure
Greater the wave number of photons:
NET
NUST Entry Test
Chemistry
Atomic Structure
Energy of a photon is related to:
NET
NUST Entry Test
Chemistry
Atomic Structure
Greater the wavelength associated with the photon:
NET
NUST Entry Test
Chemistry
Atomic Structure
According to Plank, in case of light, the quantum of energy is often called:
NET
NUST Entry Test
Chemistry
Atomic Structure
The value of Planck's constant 'h' is:
NET
NUST Entry Test
Chemistry
Atomic Structure
According to Pank energy travels in a discontinuous manner and it is composed of large number of tiny discrete units called:
NET
NUST Entry Test
Chemistry
Atomic Structure
Qunatum theory explained well:
NET
NUST Entry Test
Chemistry
Atomic Structure
Max Plank proposed quantum theory in:
NET
NUST Entry Test
Chemistry
Atomic Structure
Rutherford's model of atoms failed because:
NET
NUST Entry Test
Chemistry
Atomic Structure
The mass of aplha particle is equal to:
NET
NUST Entry Test
Chemistry
Atomic Structure
Which of the following observations was seen by Rutherford when alpha particles were bombarded over gold foil?
NET
NUST Entry Test
Chemistry
Atomic Structure
The Rutherford experiment of using a stream of alpha particles on a piece of gold foil proved that:
NET
NUST Entry Test
Chemistry
Atomic Structure
The experimental evidences for the existence of atomic nucleus comes from:
NET
NUST Entry Test
Chemistry
Atomic Structure
Anode is the surface on which probability of finding electron is:
NET
NUST Entry Test
Chemistry
Atomic Structure
Which one of the following statements is true about discovery of neutrons?
NET
NUST Entry Test
Chemistry
Atomic Structure
With the reference of e/m ratio of anode rays, the e/m ratio of cathode rays is:
NET
NUST Entry Test
Chemistry
Atomic Structure
Negatively charged particle nature of cathode rays was first demonstrated in 1895 by:
NET
NUST Entry Test
Chemistry
Atomic Structure
Which one of the following particles has a mass 1/1836 time, that of hydrogen?
NET
NUST Entry Test
Chemistry
Atomic Structure
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