KCET SERIES Physics
Waves And Oscillations
17 previous year questions.
Volume: 17 Ques
Yield: Medium
High-Yield Trend
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2020 1
2019 1
2017 1
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2001 2
2000 3
1994 Chapter Questions 17 MCQs
01
PYQ 1994
medium
physics ID: kcet-199
A system exhibiting SHM must possess
1
elasticity, inertia and external force
2
elasticity only
3
inertia only
4
elasticity as well as inertia.
02
PYQ 1994
easy
physics ID: kcet-199
A rubber ball filled with water is having a small hole. This is used as the bob of a simple pendulum. Then period of such a pendulum
1
decrease
2
first decreases and then increases
3
first increases and then decreases
4
increases
03
PYQ 1994
medium
physics ID: kcet-199
A medium can carry a longitudinal wave because it has the property of
1
compressibility
2
elasticity
3
mass
4
density.
04
PYQ 2000
medium
physics ID: kcet-200
Equation of progressive wave is given by where and are in metre and in second. The velocity of the wave is (m/s)
1
40
2
10
3
80
4
20
05
PYQ 2000
medium
physics ID: kcet-200
Waves that cannot be polarised are
1
light waves
2
electromagnetic waves
3
transverse waves
4
longitudinal waves
06
PYQ 2001
easy
physics ID: kcet-200
A sine wave has an amplitude A and wavelength . Let V be the wave velocity and maximum velocity of a particle in the medium. Then
07
PYQ 2005
medium
physics ID: kcet-200
A particle on trough of a wave at any instant will come to mean position after time (T=time period)
1
2
3
4
08
PYQ 2008
medium
physics ID: kcet-200
A simple pendulum is suspended from the ceiling of a lift. When the lift is at rest its time period is . With what acceleration should the lift be accelerated upwards in order to reduce its period to ? (g is acceleration due to gravity).
1
2 g
2
3 g
3
4 g
4
g
09
PYQ 2011
medium
physics ID: kcet-201
A particle executing a simple harmonic motion has a period of . The time taken by the particle to move from the mean position to half the amplitude, starting from the mean position is.
1
2
3
4
10
PYQ 2012
easy
physics ID: kcet-201
The circular motion of a particle with constant speed is
1
periodic but not SHM
2
SHM but not periodic
3
periodic and also SHM
4
neither periodic nor SHM
11
PYQ 2013
medium
physics ID: kcet-201
From a fixed support,two small identical spheres are suspended by means of strings of length each .They are pulled aside as shown and then released is the mean position.Then the two spheres collide.
1
at after second
2
at after second
3
on the right side of after some time
4
on the right side of when the strings are inclined at with
12
PYQ 2014
medium
physics ID: kcet-201
A metal block is attached to a spring of spring constant . A block is displaced from equilibrium position by and released. The maximum acceleration of the block is
1
2
3
4
13
PYQ 2015
easy
physics ID: kcet-201
The ratio of kinetic energy to the potential energy of a particle executing at a distance equal to half its amplitude, the distance being measured from its equilibrium position is
1
3:01
2
4:01
3
2:01
4
8:01
14
PYQ 2016
medium
physics ID: kcet-201
A particle executing has a maximum speed of and maximum acceleration of The angular frequency of oscillation is
1
2
3
4
15
PYQ 2017
medium
physics ID: kcet-201
Two simple pendulums and are made to oscillate simultaneously and it is found that completes oscillations in and completes oscillations in . The ratio of the lengths of and is
1
2
3
4
16
PYQ 2019
medium
physics ID: kcet-201
A piston is performing S.H.M. in the vertical direction with a frequency of 0.5 Hz. A block of 10 kg is placed on the piston. The maximum amplitude of the system such that the block remains in contact with the piston is
1
1.5 m
2
1 m
3
0.1 m
4
0.5 m
17
PYQ 2020
medium
physics ID: kcet-202
A tray of mass is supported by two identical springs as shown in figure. When the tray is pressed down slightly and then released, it executes SHM with a time period of . The spring constant of each spring is
1
2
3
4