MCQ
Standing waves can be produced
  • A
    On a string clamped at both the ends
  • B
    On a string clamped at one end and free at the other
  • C
    When incident wave gets reflected from a wall
  • All of the above.

Answer

Correct option: D.
All of the above.
d
(d) Standing waves can be produced only when two similar type of waves (same frequency and speed, but amplitude may be different) travel in opposite directions.

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

Similar questions

A projectile fired at $30^{\circ}$ to the ground is observed to be at same height at time $3 s$ and $5 s$ after projection, during its flight. The speed of projection of the projectile is $.........\,ms ^{-1}$(Given $g=10\,m s ^{-2}$ )
Match the thermodynamic processes taking place in a system with the correct conditions. In the table: $\Delta Q$ is the heat supplied, $\Delta W$ is the work done and $\Delta U$ is change in internal energy of the system
Process Condition
$(I)$ Adiabatic $(A)\; \Delta W =0$
$(II)$ Isothermal $(B)\; \Delta Q=0$
$(III)$ Isochoric $(C)\; \Delta U \neq 0, \Delta W \neq 0 \Delta Q \neq 0$
$(IV)$ Isobaric $(D)\; \Delta U =0$
A particle of mass $10\, gm$ moves in a field where potential energy per unit mas is given by expression $v = 8 \times 10^4\, x^2\, erg/gm$. If the total energy of the particle is $8 \times 10^7\, erg$ then the relation between $x$ and time $t$ is
In a sinusoidal wave, the time required for a particular point to move from maximum displacement to zero displacement is $0.17s.$ The frequency of the wave is:
The Pitot tube shown in the figure is used to measure fluid flow velocity in a pipe of cross sectional area $S$. It was invented by a French engineer Henri Pitot in the early $18^{th}$ century. The volume of the gas flowing across the section of the pipe per unit time is (The difference in the liquid columns is $\Delta h,  \rho_0$ and  $\rho$  are the densities of liquid and the gas respectively) :-
Sphere is in pure accelerated rolling motion in the figure shown,

Choose the correct option:
 
A substance of mass $m\, kg$ requires a power input of $P$ watts to remain in the molten state at its melting point. When the power is turned off, the sample completely solidifies in time $t$ sec. What is the latent heat of fusion of the substance
If gravitational potential in a region is given by $v = 4x^2$. Then gravitational field is
A simple pendulum oscillates in air with time period $T$ and amplitude $A$. As the time passes
A bullet is fired into a fixed target looses one third of its velocity after travelling $4 \mathrm{~cm}$. It penetrates further $\mathrm{D} \times 10^{-3} \mathrm{~m}$ before coming to rest. The value of $D$ is: