ExamVeda
Login
Home

Sounds waves and Motion MCQ question and answer with solution | Physics Gk MCQs

Learn Sounds waves and Motion MCQ Questions and answers with easy and logical explanations in Physics Gk . Sounds waves and Motion MCQ question provides all type of technical mcq questions which is important for SSC-CGL, UPPSC, NDA, CDS and all govt examinations Page-4 section-4

Each section contains 100 MCQs on Sounds waves and Motion .
31
An echo comes back in 3 seconds. If the speed of sound is 342 ms-1, what is the distance from the source to the reflecting surface?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
32
Sound cannot pass through
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
33
When the speed of an object exceeds to the speed of sound, it is said to travel at . . . . . . . . speed.
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
34
Which one of the following statements is not correct?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
35
The sound wave travels at a speed of 339 m/s-1. If its wavelength is 1.5 cm, what will be the frequency of the wave?
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
36
A person rings, a metallic bell near a strong concrete wall. He hears the echo after 0.3 s. If the sound moves with a speed of 340 m/s, how far is the wall from him?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
37
SONAR is based on the principle of
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
38
The frequency (in Hz) of a note that is one octave higher than 500 Hz is
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
39
Which of the following is an example of simple harmonic motion?
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
40
If Va, Vw and Vs respectively are the speed of sound in air, water and steel, then
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board