Download App

14. waves and sound — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysics14. waves and sound1 Mark
MCQ
A sound is produced by plucking a string in a musical instrument, then
  • A
    The velocity of wave in the string is equal to the velocity of sound in the string
  • ✓
    The frequency of the wave in the string is equal to the frequency of the sound produced
  • C
    The wave in the string is progressive
  • D
    the tension in the string varies from point to point
✓

Answer

Correct option: B.
The frequency of the wave in the string is equal to the frequency of the sound produced
b
Frequency of the wave is the property which depends on source.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 14. waves and sound→14. waves and sound — all question types→Physics STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The equation of a progressive wave is given by $y = a\sin (628t - 31.4x)$

If the distances are expressed in cms and time in seconds, then the wave velocity will be ...... $cm/sec$

→
Which of the processes described below are irreversible?
→
A particle of mass $10\, g$ is kept on the surface of a uniform sphere of mass $100 \,kg $ and radius $10\, cm$. Find the work to be done against the gravitational force between them to take the particle far away from the sphere $($you may take $G = 6.67 \times {10^{ - 11}}\,N{m^2}/k{g^2})$
→
Electron volt is a unit of
→
One end of a uniform rod of mass $m_1$ and crosssectional area $A$ is hung from a ceiling. The other end of the bar is supporting mass $m_2$. The stress at the midpoint is
→
A current passes through a resistor. Let $\mathrm{K}_1$ and $\mathrm{K}_2$ represent the average kinetic energy of the conduction electrons and the metal ions, respectively:
→
A constant potential difference is applied to the ends of a graphite rod, whose resistance decreases with a rise of temperature. The rod can be $(1)$ covered with asbestos or $(2)$ left open to atmosphere. Answer for steady state.
→
If by applying a force F on an object that object gets velocity v then the value of power will be :
→
If the ratio of same thickness's wire densities is 1 : 2. If we keep same mass then ratio of same length frequency will be :
→
A body rolls down an inclined plane without slipping. The kinetic energy of rotation is $50 \,\%$ of its translational kinetic energy. The body is :
→