Refraction/defraction

What decides what waves will diffract well?

High wavelength

Description of diffraction

waves encountering a solid object and being able to partially curve behind it

Does wavelength increase or decrease when in glass compared to air

Decrease

Order of electromagnetic spectrum in increasing frequency

Gamma, x rays, ultraviolet, visible light, infrared, microwave, radio waves

GXUVIMR

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What happens to light when it enters a block

It slows down and moves towards the normal.

What happens to light when it exits a block

It speeds up and moves away from the normal

Do larger or shorter wavelengths diffract more?

Larger wavelengths bend at greater angles when passing through gaps or around obstacles.

What is the speed of light?

3.8×10⁸

What is the speed of sound in air?

340m/s

What is meant by the voltage of an electrical supply

The voltage of an electrical supply is the measure of the energy given to the charges in the circuit

What is meant by refraction?

Refraction-When a wave changes speed and wavelength when entering a new medium

Does red light or blue/violet light diffract more?

Red light diffracts more than blue light because it has a longer wavelength