A bigger crest is formed at the point where two smaller crests from two different sources meet simultaneously is called
Waves in phase
Waves out of phase
Interference
Polarisation
The number of complete waves generated per second is called
Wavelength
Frequency
Displacement
Amplitude
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
Light of one colour and so of one wavelength is called
Infrared radiation
Ultraviolet radiation
Monochromatic light
X-rays
The behaviour of water waves can be studied in
Deep water
Shallow water
Ripple tank
Sea water
All types of electromagnetic reaction travel through vacuum at
3 × 108 m/s
3 × 108 km/s
3 × 10-8 m/s
3 × 10-8 km/s
The distance between two successive crest or trough is called
Which waves can be used for cooking?
Infrared waves
Microwaves
Radio waves
Light waves
Which technique is used by bats to judge how far an object is?
Ultrasonic echo technique
X - ray technique
Infrasonic echo technique
Ultraviolet radiation technique
In the electromagnetic spectrum which waves have the longest wave length?
Light wave
