Three quantum number have been derived from equation of____________________?
A. de-Broglie
B. Plancks
C. Schrodinger
D. Heisenberg
Chemistry MCQs
The letters s p d and f are used to represent which quantum numbers________________?
A. Principal
B. Azimuthal
C. Magnetic
D. Spin
Colour of fluorescene produced by cathode rays depends upon________________?
A. Temperature
B. Pressure
C. Volume
D. Composition of glass
Positive rays are produced__________________?
A. By burning of gas
B. By cooling of the gas
C. By the bombardment of cathode rays on gas molecules
D. From anode like cathode rays produced from cathode
The relationship between energy of a photon of light and its frequency is given by________________?
A. de-Broglie duel nature of matter
B. Bohrs model
C. Plancks Quantum theory
D. Rutherfords atomic model
The velocity of the photon____________________?
A. Is independent of wavelength
B. Depends upon source
C. Depends upon its frequency
D. Equals to the square of amplitude
Atom cannot be divided into simple unitstheorized by________________?
A. Rutherford
B. Dalton
C. Bohr
D. Schrodinger
Increase in atomic number is observed during_________________?
A. Alpha emission
B. Beta emission
C. Both A & B
D. Radioactivity
