(A) Amplitude
(B) Time
(C) Intensity
(D) None of these
Answer: (A) Amplitude
The intensity of a wave is proportional to the square of its amplitude.
Category: FPSC Physics Lecturer Test Past Papers
FPSC Physics Lecturer (BS-17) Test Past Papers Solved MCQs Questions with Answers.
The spectrum of lyman series lies in region called:
(A) Visible
(B) Microwave
(C) Infrarad
(D) Ultraviolet
Answer: (D) Ultraviolet
The spectrum of lyman series lies in region called ultraviolet.
The fact that either the position or the momentum of a particle can be measured with any desired degree of accuracy, but not both simultaneously, is expressed in:
(A) Heisenberg’s uncertainty principle
(B) Bragg’s law
(C) Einstein’s principle
(D) Plank’s constant
Answer: (A) Heisenberg’s uncertainty principle
Constructive and destructive superposition of waves is observed in:
(A) Polarisation
(B) Interference
(C) Diffraction
(D) None of these
Answer: (B) Interference
Constructive and destructive superposition of waves is observed in interference.
The rate of change of Momentum of the particle is:
(A) Energy
(B) Force
(C) Impulse
(D) None of these
Answer: (B) Force
The rate of change of Momentum of the particle is force.