Practice Sound RRB PYQ questions asked in various Railway Recruitment Board examinations. This page provides important previous year questions from the Sound chapter along with correct answers and clear explanations to help you prepare effectively for RRB Physics.
The Sound chapter covers important concepts such as the nature of sound waves, frequency range of sound waves, speed of sound, characteristics of sound, echo, SONAR and RADAR. These concepts are important for understanding the types of Physics questions commonly asked in Railway examinations.
Start practicing Sound RRB PYQs with answers and explanations and strengthen your Railway Physics preparation.
171
A region of high particle density during sound transmission is called:
RRB Group-D
20/09/2018 (Shift-I)
2018
✓ Answer:DCompression
Compressions are regions of relatively high particle density and pressure.
172
Which has the highest sound speed at 25°C among these options?
RRB Group-D
31/10/2018 (Shift-II)
2018
✓ Answer:CAluminium
The source table gives aluminium the highest value among these materials: approximately 6420 m/s.
173
The speed of sound generally _____ when it passes from a solid into a gas.
RRB NTPC (Stage-I)
23/01/2021 (Shift-II)
2021
✓ Answer:DDecreases
In the usual comparison of common materials, sound travels more slowly in gases than in solids.
174
An echo returns after 3 s. If sound speed is 342 m/s, how far away is the reflecting surface?
RRB ALP & Technician
21/08/2018 (Shift-III)
2018
✓ Answer:A513 m
Distance = vt/2 = 342 × 3/2 = 513 m.
175
At 25°C: A. Sound speed in steel is 5960 km/s. B. Sound speed in nickel is 6040 m/s. Which is true?
These RRB Sound PYQ questions help you understand the question pattern and important concepts from the Sound chapter. Each question is provided with the correct answer and a clear explanation, making this page useful for both revision and regular practice.
Whether you are preparing for RRB NTPC Sound PYQ, RRB Group D Sound PYQ, RRB JE Sound PYQ, RRB ALP Sound PYQ, or RRB Technician Sound PYQ, practice these previous year questions regularly to strengthen your Physics preparation.
Tags: Sound RRB Physics PYQ, Sound Previous Year Questions, RRB NTPC Sound PYQ, RRB Group D Sound PYQ, RRB JE Sound PYQ, RRB ALP Sound PYQ, RRB Technician Sound PYQ, Sound Questions for Railway Exams, Sound MCQ for RRB Exams, Physics Sound Questions, Sound Waves RRB PYQ
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