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For transverse waves, the oscillations are perpendicular to the direction of travel. For longditudinal waves the oscillations are parallel to the direction of travel.

The Doppler effect is caused when waves (such as light or sound waves) are emitted from a moving source which causes an increase or decrease in the wavelength of the emitted wave. This increase or decreas...

As the student rubs his feet on the carpet, negatively charged electrons are transferred from the carpet to his feet. This gives the student AS A WHOLE a net negative charge. The radiator is made from met...

The equations of motion for constant acceleration are obtained from Newton's laws of motion. They are sometimes known as the SUVAT equations and can be used to calculate components of a projectile's motio...

Conduction, Convection, Radiation
Roof: Insulation. Material reduces conduction as it is a greater inductor of heat than air. Material reduces convection currents as the air gaps are now too small fo...