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

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

The equation of wave is given by
y=10sin⁡(2πt/30+α)
If the displacement is 5cm at t=0, then the total phase at t=7.5s will be ______

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

When two waves meet up, their displacements

Interference pattern of light and dark bands on screen is called

With diffraction grating, the angles are

If two waves are in phase and have the same amplitude then resultant wave has

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

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

A string is stretched under constant tension between fixed points X and Y. The solid lie in the diagram shows a standing (stationary) wave at an instant of greatest displacement. The broken line shows the other extreme displacement.

Which one of the following statements is correct?

Splitting of white light in to constituent colors is called

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?

Visible of light has a wavelength of

A wire is stretched over two supports, Q and R, a distance 4x apart. Three light pieces of paper rest on the wire

When the wire is made to vibrate at one particular frequency, the middle piece of paper stays on, but the others fall off the wire.
The wavelength of the vibration produced on the wire?

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?

The waves produced by a motor boat sailing in water are __________

Which is different from others by units?

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

Coherent sources emit waves that have

For destructive interference, the path difference is

Effect of diffraction is greatest if waves pass through a gap with width equal to

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 loudspeaker at position S emits sound of a single frequency. The sound travels to Leo who is at position L, both through a straight path and after reflection from a wall as shown.

As Leo walks directly towards the wall, the sound alternates between loud and soft. Which of the following changes would result in an increase in the distance between loud and soft sounds?