Speed, Velocity, Acceleration Quiz Questions & Answers - 1
Question: 1
Which one of the following is not electromagnetic in nature?
(A) Infrared rays
(B) Gamma-rays
(C) X-rays
(D) Cathode rays
Ans: D
Cathode rays
Question: 2
Who firstly predicated the existence of electromagnetic waves?
(A) Maxwell
(B) Romar
(C) Marconi
(D) Hertz
Ans: A
Maxwell
Question: 3
The ozone layer absorbs
(A) Ultraviolet rays
(B) Radio waves
(C) Microwaves
(D) Infrared radiation
Ans: A
Ultraviolet rays
Question: 4
The Doppler’s effect is applicable for
(A) Light wave
(B) Sound wave
(C) Space wave
(D) Both (a) and (b)
Ans: D
Both (a) and (b)
Question: 5
SONAR is based on the principle of
(A) Reverberation
(B) Echo
(C) Resonance
(D) None of these
Ans: B
Echo
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