MCQ
Dispersion can take place for
  • A
    Transverse waves only but not for longitudinal waves
  • B
    Longitudinal waves only but not for transverse waves
  • Both transverse and longitudinal waves
  • D
    Neither transverse nor longitudinal waves

Answer

Correct option: C.
Both transverse and longitudinal waves

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

An image of the sun is formed by a lens of focal length of $30 \mathrm{~cm}$ on the metal surface of a photoelectric cell and a photoelectric current $I$ is produced. The lens forming the image is then replaced by another of the same diameter but of focal length $15 \mathrm{~cm}$. The photoelectric current in this case is
One Mach number is equal to
The centripetal force acting on a satellite orbiting round the earth and the gravitational force of earth acting on the satellite both equal $F$. The net force on the satellite is
The resistance of hot tungsten filament is about 10 times the cold resistance. What will be the resistance of $100 W$ and $200 V$ lamp when not in use
A ray is reflected in turn by three plain mirrors mutually at right angles to each other. The angle between the incident and the reflected rays is
The output voltage of a transformer connected to $220$ volt line is $1100$ volt at $1$ amp current. Its efficiency is $100 \%$. The current coming from the line is
Two trains travelling on the same track are approaching each other with equal speeds of $40 m / s$. The drivers of the trains begin to decelerate simultaneously when they are just $2.0 km$ apart. Assuming the decelerations to be uniform and equal, the value of the deceleration to barely avoid collision should be
The area of a hole of heat furnace is $10^{-4} \mathrm{~m}^2$. It radiates $1.58 \times 10^5$ calories of heat per hour. If the emissivity of the furnace is 0.80 , then its temperature is
A liquid cools from 50 $C$ to $45 C$ in 5 minutes and from $45 C$ to 41.5 $C$ in the next 5 minutes. The temperature of the surrounding is
Consider the following two statements 1. Linear momentum of a system of particles is zero 2. Kinetic energy of a system of particles is zero Then