Download App

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

Gujarat BoardEnglish MediumSTD 11 SciencePhysics14. waves and sound1 Mark
MCQ
In the experiment to determine the speed of sound using a resonance column,
  • ✓
    prongs of the tuning fork are kept in a vertical plane
  • B
    prongs of the tuning fork are kept in a horizontal plane
  • C
    in one of the two resonances observed, the length of the resonating air column is close to the wavelength of sound in air
  • D
    in one of the two resonances observed, the length of the resonating air column is close to half of the wavelength of sound in air
✓

Answer

Correct option: A.
prongs of the tuning fork are kept in a vertical plane
a

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

Two bodies are thrown up at angles of $45^o$ and $60^o$, respectively, with the  horizontal. If both bodies attain same vertical height, then the ratio of velocities with which  these are thrown is 
→
The $v - t$ graph of a moving object is given in figure. The maximum acceleration is...........$\mathrm{cm/sec}^{2}$
→
A monkey is sitting on the pan of a spring balance which is placed on an elevator. The maximum reading of the spring balance will be when
→
There are two identical small holes of area of cross-section a on the opposite sides of a tank containing a liquid of density $\rho $. The difference in height between the holes is $h$. Tank is resting on a smooth horizontal surface. Horizontal force which will has to be applied on the tank to keep it in equilibrium is
→
Water flows in a streamlined manner through a capillary tube of radius $a$, the pressure difference being $P$ and the rate of flow $Q$. If the radius is reduced to $a/2$  and the pressure increased to $ 2P, $ the rate of flow becomes
→
In an experiment with Vernier callipers of least count $0.1\,mm$, when two jaws are joined together the zero of Vernier scale lies right to the zero of the main scale and $6^{\text {th }}$ division of Vernier scale coincides with the main scale division. While measuring the diameter of a spherical bob, the zero of vernier scale lies in between $3.2\,cm$ and $3.3\,cm$ marks, and $4^{\text {th }}$ division of vernier scale coincides with the main scale division. The diameter of bob is measured as $.......\,cm$
→
When $1m, 1\ kg$ and $1$ min are taken as the fundamental units, the magnitude of the force is $36$ units. What will be the value of this force in $\text{CGS}$ system?
→
Two closed organ pipes of length $100 \,cm$ and $101 \,cm$ $16$ beats in $20\, sec$. When each pipe is sounded in its fundamental mode calculate the velocity of sound .... $ms^{-1}$
→
An empty vessel is partially filled with water, then the frequency of vibration of air column in the vessel
→
If due to air drag, the orbital radius of satellite decreases from $R$ to $R -\Delta R,\Delta R << R,$ expression for change in orbital velocity $\Delta v$ is [mass of earth $M$ ]
→