Waves MCQ Questions Class 11 Physics Chapter 15
NCERT MCQ Questions for Class 11 Physics Chapter 15 Waves. Waves MCQ Questions with Answers from Class 11 Physics.
Waves MCQ Questions Class 11 Physics Chapter 15
Waves Multiple Choice Questions with Answers Class 11 Physics Chapter 15 PDF is available.
1) Which of the following are mechanical waves
a) Water waves
b) Sound waves
c) Seismic waves
d) All
Ans: d) all
2) Which of the following are electromagnetic waves
a) Light
b) Radio waves
c) X rays
d) All
Ans: d) all
3) Electromagnetic waves
a) Requires material medium for their propagation
b) Do not require material medium for their propagation
c) Both a and b
d) None
Ans: b) do not require material medium for their propagation
4) ______ waves can travel through vacuum.
a) Sound waves
b) Light waves
c) Radio waves
d) Both b and c
Ans: d) both b and c
5) The speed of electromagnetic waves is
a) 299,792,458 m/s
b) 299, 792, 458 km/s
c) 299, 792, 458 cm/s
d) None
Ans: a) 299, 792, 458 m/s
6) Pressure is given by
a) F/m
b) F/V
c) F/A
d) FA
Ans: c) F/A
7) Sound waves are the
a) Transverse waves
b) Longitudinal waves
c) Both a and b
d) None
Ans: b) longitudinal waves
8) Which of the following are progressive waves
a) Transverse waves
b) Longitudinal waves
c) Both a and b
d) None
Ans: c) both a and b
9) In case of transvers waves, the direction of motion of particles is
a) Parallel to the direction of propagation
b) Perpendicular to the direction of propagation
c) Normal to the direction of propagation
d) Both b and c
Ans: d) both b and c
10) In case of longitudinal waves, the direction of motion of particles is
a) Parallel to direction of propagation
b) Perpendicular to direction of propagation
c) Normal to direction of propagation
d) None
Ans: a) parallel to direction of propagation
11) The waves in an ocean are the combination of
a) Longitudinal waves
b) Transverse waves
c) Both a and b
d) None
Ans: c) both a and b
12) The maximum displacement of the particle of the wave from its mean or equilibrium position is called as
a) Phase
b) Epoch
c) Distance
d) Amplitude
Ans: d) amplitude
13) The minimum distance between two points having the same phase is called as
a) Frequency of the wave
b) Amplitude
c) Wavelength of the wave
d) None
Ans: c) wavelength of the wave
14) K = 2π/ wavelength, then k is called as
a) Wave number
b) Propagation constant
c) Force constant
d) Both a and b
Ans: d) both a and b
15) The SI unit of propagation constant is given by
a) rad/m
b) rad
c) m/rad
d) rad m
Ans: a) rad/m
16) If n = 1/T = w/2π then n is called as
a) Wavelength of the wave
b) Amplitude of the wave
c) Frequency of the wave
d) None
Ans: c) frequency of the wave
17) Frequency of the wave is measured in
a) Meter
b) Rad
c) Hz
d) None
Ans: c) Hz
18) If a wave is incident obliquely on the boundary between two different media the transmitted wave is called
a) Reflected wave
b) Transmitted wave
c) Refracted wave
d) None
Ans: c) refracted wave
19) The points at which amplitude is zero are called as
a) Antinodes
b) Nodes
c) Both a and b
d) None
Ans: b) nodes
20) Nodes are the point at which amplitude is
a) Minimum
b) Maximum
c) Zero
d) Infinity
Ans: c) zero
- In case you have missed:- Previous Chapter MCQ Questions
21) The points at which amplitude is largest are called as
a) Nodes
b) Antinodes
c) Both a and b
d) None
Ans: b) antinodes
22) Antinodes are the points at which amplitude is
a) Zero
b) Minimum
c) Infinity
d) Maximum
Ans: d) maximum
23) The distance between any two successive nodes is
a) Wavelength/2
b) Wavelength/3
c) 2/wavelength
d) 3/wavelength
Ans: a) wavelength/2
24) The distance between any two successive antinodes is
a) Wavelength/2
b) Wavelength/3
c) 2/wavelength
d) 3/wavelength
Ans: a) wavelength/2
25) The lowest possible natural frequency of a system is called as
a) Fundamental mode
b) First harmonic
c) Second harmonic
d) Both a and b
Ans: d) both a and b
26) The frequency for which n = 2 is called as
a) First harmonic
b) Second harmonic
c) Fundamental mode
d) None
Ans: b) second harmonic
27) The frequency for which n = 3 is called as
a) First harmonic
b) Second harmonic
c) Third harmonic
d) Fundamental mode
Ans: c) third harmonic
28) If the external frequency is close to one of the natural frequency then system shows
a) Oscillations
b) Vibrations
c) Resonance
d) None
Ans: c) resonance
29) The phenomenon arising from interference of waves is called as
a) Harmonics
b) Beats
c) Resonance
d) None
Ans: b) beats
30) The waves which moves from one point of medium to another point are called as
a) Transverse waves
b) Longitudinal waves
c) Electromagnetic waves
d) Progressive waves
Ans: d) progressive waves
31) Speed of progressive wave is given by
a) V = wavelength/frequency
b) V = wavelength*frequency
c) V = wavelength/T
d) Both b and c
Ans: d) both b and c
32) Sound waves are the longitudinal mechanical waves that can travel through
a) Solids
b) Liquids
c) Gases
d) All
Ans: d) all
33) The propagation constant has unit as
a) Meter
b) Meter-1
c) Cm
d) Mm
Ans: b) meter-1
34) The dimensions of propagation constant are
a) [L]
b) [M L-1]
c) [M-1 L-1]
d) [L-1]
Ans: d) [L-1]
35) The wave speed is measured in
a) Ms
b) M/s
c) M/S2
d) None
Ans: b) m/s
36) Wavelength is measured in
a) Meter
b) Cm
c) Mm
d) Angstroms
Ans: a) meter
37) The dimensions of wavelength are
a) [M L]
b) [L]
c) [L-1]
d) [M L-1]
Ans: b) [L]
38) In case of waves, _____ is transferred from one point to another.
a) Matter
b) Energy
c) Both a and b
d) None
Ans: b) energy
39) Transverse waves can propagate only in medium with
a) Young modulus of elasticity
b) Shear modulus of elasticity
c) Bulk modulus of elasticity
d) None
Ans: b) shear modulus of elasticity
40) Longitudinal waves need
a) Young modulus of elasticity
b) Shear modulus of elasticity
c) Bulk modulus of elasticity
d) None
Ans: c) bulk modulus of elasticity
- In case you have missed:- NCERT MCQ Questions for Units and Measurement