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Definition of absorb
Definition of ampere (amp)
Definition of amplitude
Definition of angle of incidence
Definition of angle of reflection
Definition of The Big Bang Theory
CMBR (cosmic microwave background radiation)
Definition of diffraction
Definition of Doppler effect
Definition of electromagnetic radiation (EM)
Definition of electromagnetic spectrum
Definition of electromagnetic waves
Definition of gamma ray
Definition of geothermal power station
Definition of incident ray
Definition of infrared radiation
Definition of joule
kinetic theory
Laterally inverted image
Longitudinal wave
Mechanical wave
National Grid
Definition of oscillate
Radio wave
Rarefaction
Ray diagram
Red Shift
refraction
Specific heat capacity
Transverse wave
ultraviolet radiation
U-value
Virtual image
voltage
Watt
wavelength
x-rays
