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