The distance between two successive crest or trough is called
Displacement
Wavelength
Frequency
Amplitude
The longitudinal and transverse waves produced by earthquake are called
Radio waves
Infrared waves
Ultrasonic waves
Seismic waves
If the earthquake occur under the sea, the seismic energy can be transmitted to the water and produce
Ultrasonic echo
Ultra violet radiation
Tsunami
A ship can determine the depth of a shoal of fish or the sea-bed with the help of
A sonar
Micro waves
X-rays
The behaviour of water waves can be studied in
Deep water
Shallow water
Ripple tank
Sea water
A disturbance which carries energy from one place to another without transferring matter is called
A transverse wave
A longitudinal wave
A progressive wave
Water wave
The height of a crest or the depth of a trough measured from a wave is called
The spreading of wave at the edges or obstacle is called
Reflection
Refraction
Diffraction
Interference
Which waves can be used for cooking?
Microwaves
Light waves
Which rays are used to kill cancer cells and also harmful bacteria in food and surgical instruments?
UV - radiation
Ultraviolet radiation
Gama rays