Gk Questions and Answers Related to Physics - 2
Question: 6
The scattering of sunlight by the molecules of the gases in earth’s atmosphere is called _____ scattering.
(A) Photon
(B) Raman
(C) Rayleigh
(D) Tyndal
Ans: C
Rayleigh
Question: 7
When the transmitting and receiving antennas are close to the ground, what type of wave propagation takes place?
(A) Ionospheric
(B) Sky wave
(C) Space wave
(D) Ground wave
Ans: D
Ground wave
Question: 8
When audio signal is mixed with carrier, which of the following characteristics is changed in accordance with the intensity of the signal?
(A) Amplitude, or frequency or phase of carrier wave
(B) Amplitude of carrier wave
(C) Phase of carrier wave
(D) Frequency of carrier wave
Ans: A
Amplitude, or frequency or phase of carrier wave
Question: 9
The phenomenon of restricting the vibrations into a particular plane is known as
(A) Total internal reflection
(B) Polarisation
(C) Diffraction
(D) Interference
Ans: B
Polarisation
Question: 10
According to electromagnetic theory, the frequency of the spectral line emitted by the vibrating electron should be
(A) Same as the electron
(B) Infinity
(C) Less than the electron
(D) Greater than the electron
Ans: A
Same as the electron
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