MCQ Questions on Physics
11-Which of the following can produce X-rays of very short wave length?
(A) Van de Graff generator
(B) Betatron
(C) Cyclotron
(D) Synchrotron
12-Which of the following material does not have permanent magnetic dipoles?
(A) Anti-Ferro magnetic
(B) Ferro magnetic
(C) Diamagnetic
(D) Paramagnetic
13-According to Planck’s distribution law, the energy density at high frequencies are
(A) Negative
(B) One
(C) Infinitive
(D) Zero
14-Which of the following law states that Internal energy is a function of temperature?
(A) Joule’s law
(B) Beer’s law
(C) Charle’s law
(D) Boyle’s law
15-Enthalpy is expressed as
(A) H = U – PV
(B) H = U + PV
(C) H = Cp – Cv
(D) H = U + Cp
16-In Maxwell-Boltzman distribution the variable β is equal to
(A) kT
(B) 1/kT
(C) 1/2kT
(D) 2kT
17-The unique property of a LASER beam is that it is highly
(A) penetrative
(B) intense
(C) coherent
(D) directional
18- The splitting up of the spectral lines of an atom radiating in a magnetic field is called
(A) Raman effect
(B) Zeeman effect
(C) Exclusion Principle
(D) Uncertainty Principle
19-Which of the following Energy is not Quantized?
(A) Rotational Energy
(B) Vibrational Energy
(C) Electronic Energy
(D) Translational Energy
20-Which of not the one that implies a complete thermodynamic equilibrium in the following?
(A) Chemical equilibrium
(B) Structural equilibrium
(C) Mechanical equilibrium
(D) Thermal equilibrium
ANSWERS:
11-(B), 12-(C), 13-(D), 14-(A), 15-(B), 16-(B), 17-(C), 18-(B), 19-(D), 20-(B)