A boat at anchor is rocked by waves, whose crests are 100m apart and velocity is 25m/s. The boat bounces up once in every ____
The waves produced by a motor boat sailing in water are __________
Principle of superposition can be applied to
Two waves with phase difference 180° have resultant of amplitude
The equation of wave is given by
If the displacement is 5cm at t=0, then the total phase at t=7.5s will be ______
Grating element is equal to
With diffraction grating, the angles are
Splitting of white light in to constituent colors is called
A transverse wave passes through a string with the equation
Where x is in metres and t in seconds. What is the maximum velocity of the particles in wave motion?
A taunt wire is clamped at two points 1.0m apart. It plucked near one end. Which are the three longest wavelength present on the vibrating wire?
Which of the following is always true for a stationary wave?
For a wave propagating in a medium, identify the property that is independent of the others.
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?
The plane wave is described by the equation
Where c is in meters and t in seconds. The maximum velocity of the particles of the medium due to this is?
In young double slit experiment, the wavelength of incident beams should be
Which is different from others by units?
For listening radio in cars, external radio aerials are used because
If two waves are in phase and have the same amplitude then resultant wave has
For destructive interference, the path difference is
If two sound waves having a phase difference of 60°, then they will have a path difference of _____
Microwaves have wavelength of about