When two waves meet up, their displacements

A double-slit interference experiment is set up as shown.

Fringes are formed on the screen which is 40.0 cm away. The distance between the slits is 9.0 cm
apart. The microwave source has a wavelength of 2.0 cm and intensity of I.
What is the resultant intensity at X?

For a wave propagating in a medium, identify the property that is independent of the others.

Coherent sources emit waves that have

Wavelength of an incident light when it is incident normally on a diffraction grating having 3000 lines per centimeter angular separation is 10° is

From double slit experiment, the quantities to be measured are

If equation of a sound wave is
y=0.0015sin⁡(62.8x+314t)
Then its wavelength will be ____

Which is different from others by units?

The plane wave is described by the equation
y=3cos⁡(x/4-10t-π/2),
Where c is in meters and t in seconds. The maximum velocity of the particles of the medium due to this is?

A wave is diffracted as it passes through an opening in a barrier.
The amount of diffraction that the wave undergoes depends on both the

A transverse wave passes through a string with the equation
y=10sinπ(0.02x-2t)
Where x is in metres and t in seconds. What is the maximum velocity of the particles in wave motion?

A speaker producing sound of frequency 2500 Hz is placed at the open end of a closed pipe containing a gas.

As the piston is moved along the pipe, a series of 6 loud sounds was heard. The first loud sound was observed when the piston was 4.0 cm away from the open end, and the sixth loud sound was observed when the piston was 37 cm away from the open end. What is the speed of sound in the gas?

If two sound waves having a phase difference of 60°, then they will have a path difference of _____

A suspension bridge is to be built across a valley where it is known that the wind can gust at 5 second interval. It is estimated that speed of transverse waves along the span of the bridge would be 400 m/s. The danger of resonant motion in the bridge at its fundamental frequency would be the greatest if the span had a length of

Fringes are referred to as

Grating element is equal to

The mercury spectrum contains two intense yellow lines with wavelengths of 577.0 nm and 579.1 nm respectively. Light from a mercury lamp is incident normally on a diffraction grating ruled with 4300 lines per centimetre. To distinguish the two yellow lines clearly, it is desirable that there should be an angular separation of at least 0.30° between the two lines. Which order of diffraction can be used?

Which of the following is always true for a stationary wave?

Extra distance travelled by one of waves compared with other is called

Two waves with phase difference 180° have resultant of amplitude

A diffraction grating with N lines per metre is used to deflect light of various wavelengths λ. The diagram shows a relation between the deflection angles of θ for different values of λ in the nth order interference pattern.



What is the gradient of the graph?

Travelling waves of wavelength 20 cm are created in the air columns in a closed pipe P and an open pipe Q. The lengths of the pipes are shown.



In which pipe or pipes are stationary waves formed

Two transverse waves overlap.  Crests overlap with troughs.  Troughs overlap with crests.  The waves are

In young double slit experiment, the wavelength of incident beams should be

The diagram shows a string with with ends P and T fixed. The string is made to vibrate transversely  so that P, R and T are the only points on the string which are nodes

The vibrations of the two points Q and S, shown on the string, have