BITSAT SERIES Physics
Waves
12 previous year questions.
Volume: 12 Ques
Yield: Medium
High-Yield Trend
1
2023 2
2021 1
2020 1
2017 2
2016 2
2015 1
2014 1
2013 1
2012 Chapter Questions 12 MCQs
01
PYQ 2012
medium
physics ID: bitsat-2
The transverse displacement of a wave on a string is given by . This represents a:
1
wave moving in direction, speed
2
standing wave of frequency
3
standing wave of frequency
4
wave moving in direction, speed
02
PYQ 2013
medium
physics ID: bitsat-2
Two waves of wavelengths 99 cm and 100 cm both travelling with velocity 396 m/s are made to interfere. The number of beats produced by them is
1
2
2
4
3
1
4
0
03
PYQ 2014
medium
physics ID: bitsat-2
When a string is divided into three segments of length and , the fundamental frequencies of these three segments are and respectively. The original fundamental frequency of the string is:
1
2
3
4
04
PYQ 2015
medium
physics ID: bitsat-2
The frequency of a sonometer wire is . When the weights producing the tension are completely immersed in water, the frequency becomes . On immersing the weights in a certain liquid, the frequency becomes . The specific gravity of the liquid is:
1
2
3
4
05
PYQ 2015
hard
physics ID: bitsat-2
The frequency of a sonometer wire is . When the weights producing the tensions are completely immersed in water, the frequency becomes and on immersing the weights in a certain liquid, the frequency becomes . The specific gravity of the liquid is
1
1.42
2
1.77
3
1.82
4
1.21
06
PYQ 2016
medium
physics ID: bitsat-2
A string of length ℓ is fixed at both ends. It is vibrating in its 3rd overtone with maximum amplitude a. The amplitude at a distance ℓ/6 from one end is:
1
2
3
4
(a)/(2)
07
PYQ 2016
medium
physics ID: bitsat-2
A string of length is fixed at both ends. It is vibrating in its overtone with maximum amplitude ' '. The amplitude at a distance from one end is.
1
a
2
0
3
4
08
PYQ 2017
medium
physics ID: bitsat-2
A sonometer wire resonates with a given tuning fork forming standing waves with five antinodes between the two bridges when a mass of 9 kg is suspended from the wire. When this mass is replaced by a mass M, the wire resonates with the same tuning fork forming three antinodes for the same position of the bridges. The value of M is
1
25 kg
2
5 kg
3
12.5 kg
4
1.25 kg
09
PYQ 2020
medium
physics ID: bitsat-2
A string of length ℓ is fixed at both ends. It is vibrating in its 3ʳd overtone with maximum amplitude a. The amplitude at a distance ℓ/3 from one end is:
1
2
3
4
(a)/(2)
10
PYQ 2021
medium
physics ID: bitsat-2
A sonometer wire resonates with a given tuning fork forming standing waves with five antinodes between the two bridges when a mass of 9kg is suspended from the wire. When this mass is replaced by a mass M, the wire resonates with the same tuning fork forming three antinodes for the same positions of the bridges. The value of M is
1
25kg
2
5kg
3
12.5kg
4
1/25kg
11
PYQ 2021
medium
physics ID: bitsat-2
A tuning fork of frequency 392Hz resonates with 50cm length of a string under tension T. If the length of the string is decreased by 2%, keeping the tension constant, the number of beats heard when the string and the tuning fork are made to vibrate simultaneously is
1
4
2
6
3
8
4
12
12
PYQ 2023
medium
physics ID: bitsat-2
The ratio of intensities at two points and on the screen in a Young's double-slit experiment, where the phase difference between two waves of the same amplitude are and , respectively, is:
1
2
3
4
About Waves - BITSAT
Waves is a vital chapter for BITSAT aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Waves PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Waves carry the most weight. Then, tackle the questions iteratively to solidify your understanding.