chemistry - wavelengths

gamma rays

most hazardous to life

x-rays

used for medicine (broken bones)

ultraviolets (UV)

long exposure causes skin cancer

visibile

light we can see

infrared

produces heat

microwaves

rotates water molecules

radio waves

sound, longest wavelengths

an examples of a type of light that could damage your dna

x-rays

how do microwaves heat up food

by making water molecules rotate a lot to cause friction to generate heat

which visible color contains the least energy

red

which visible color has the longest wavelength

red

overall, which light wave has the shortest wavelength

gamma rays

which has a higher frequency uv light or ir light

uv

what is the photoelectric effect

its an effect where light shines on a metal and causes electrons to be ejected

who discovered photoelectric effect

albert einstein

what does the word ‘photoelectric’ mean

photo = light , electric = electron

what is a quantum of energy

energy required for electrons to jump energy levels