Oscillations MCQ Questions Class 11 Physics Chapter 14
NCERT MCQ Questions for Class 11 Physics Chapter 14 Oscillations. Oscillations MCQ Questions with Answers from Class 11 Physics.
Oscillations MCQ Questions Class 11 Physics Chapter 14
Oscillations Multiple Choice Questions with Answers Class 11 Physics Chapter 14 PDF is available.
1) The motion which repeat itself after equal interval of time is called as
a) Non periodic motion
b) Periodic motion
c) Uniform motion
d) Non uniform motion
Ans: b) periodic motion
2) The smallest interval of time after which the motion is repeated is called as
a) Periodic motion
b) Period
c) Frequency
d) Wavelength
Ans: b) period
3) The number of oscillations per unit time is called as
a) Frequency
b) Period
c) Wavelength
d) None
Ans: a) frequency
4) The SI unit of frequency is
a) S-1
b) Hz
c) Both a and b
d) Kg
Ans: c) both a and b
5) The beat frequency of the heart is
a) 1.25Hz
b) 1.25s-1
c) Both a and b
d) None
Ans: c) both a and b
6) The time period for heart beat is given by
a) 0.8s
b) 8s
c) 0.08s
d) None
Ans: a) 0.8 s
7) For simple harmonic motion force is given by
a) F = kx
b) F = -kx
c) F = k/X
d) F = -k/X
Ans: b) F = -Kx
8) The period of a simple pendulum is given by
a) T = 2√L/g
b) T = 2π √L/g
c) T = √L/g
d) T = 1/2π*√L/g
Ans: b) T = 2π √L/g
9) When a system oscillates with its natural frequency then it is called as
a) Free oscillations
b) Forced oscillations
c) Driven oscillations
d) None
Ans: a) free oscillations
10) When system oscillates with the frequency given by the external agency is called as
a) Free oscillations
b) Forced oscillations
c) Driven oscillations
d) Both b and c
Ans: d) both b and c
11) The phenomenon of increase in amplitude when the driving force is close to the natural frequency of the oscillator is called as
a) Free oscillations
b) Forced oscillations
c) Resonance
d) None
Ans: c) resonance
12) The relationship between time period T and frequency n is given by
a) T = 1/n
b) n = 1/T
c) Both a and b
d) T = n
Ans: c) both a and b
13) The angular frequency w is related to period T as
a) W = 2πT
b) W = 2π/T
c) W = 2/T
d) W = T/2π
Ans: b) W = 2π/T
14) The angular frequency w is related to frequency n as
a) W = 2π/n
b) W = n/2π
c) W = 2πn
d) None
Ans: c) W = 2πn
15) The acceleration in simple harmonic motion is given by
a) W2x
b) -w2x
c) Wc
d) -wx
Ans: b) -w2x
- In case you have missed:- Previous Chapter MCQ Questions
16) The force acting in simple harmonic motion is proportional to
a) Velocity
b) Distance
c) Displacement
d) Acceleration
Ans: c) displacement
17) The force acting in simple harmonic motion is proportional to displacement and is always directed
a) Away from the centre of motion
b) Towards the centre of motion
c) Both a and b
d) None
Ans: b) towards the centre of motion
18) The kinetic energy of particle performing SHM at any time is given by
a) 1/2mv
b) 1/2mv2
c) Mv2
d) MV
Ans: b) 1/2mv2
19) The potential energy of particle performing SHM at any time is given by
a) 1/2kx2
b) 1/2kx
c) Kx
d) -Kx
Ans: a) 1/2kx2
20) The dimensions of period is given by
a) [M L T]
b) [T]
c) [M T]
d) [L T]
Ans: b) [T]
21) The dimensions of frequency is given by
a) [T]
b) [T-1]
c) [M L T]
d) [M T-1]
Ans: b) [T-1]
22) The SI unit of angular frequency is given by
a) S
b) S-1
c) Hz
d) Both b and c
Ans: d) both b and c
23) The SI unit of phase constant is given by
a) Degree
b) Rad
c) Both a and b
d) None
Ans: b) rad
24) The SI unit of force constant is given by
a) N/m
b) N
c) Nm
d) None
Ans: a) N/m
25) The dimensions of force constant is
a) [M T-1]
b) [M T-2]
c) [M T]
d) None
Ans: b) [M T-2]
26) Every periodic motion is ____
a) Simple harmonic motion
b) Not simple harmonic motion
c) Both a and b
d) None
Ans: b) not simple harmonic motion
27) The period of SHM does not depends on the
a) Amplitude
b) Energy
c) Phase constant
d) All
Ans: d) all
28) The motion of a simple pendulum is simple harmonic for
a) Large angular displacement
b) Small angular displacement
c) Zero angular displacement
d) None
Ans: b) small angular displacement
29) In the ideal case of zero damping, the amplitude of simple harmonic motion at resonance is
a) Zero
b) Infinity
c) Unity
d) None
Ans: b) infinity
30) Phase constant is the _____ quantity.
a) Vector
b) Scalar
c) Dimensionless
d) None
Ans: c) dimensionless
- In case you have missed:- Next Chapter MCQ Questions