Photoelectric effect and wavelength Slideshow Play

Photomultiplier in a scintillation counter Animation Play

Photovoltaic cell Whiteboard exercise Play

Physical mutagens and the cell repair system Animation Play

Planck's equation Animation Play

Planck's postulates Student activity Play

Planck's postulates Whiteboard exercise Play

Producing of mass spectrum Animation Play

Production and loss of heat Student activity Play

Production and loss of heat Slideshow Play

Proton NMR spectrum of 1-chloropropane Animation Play

Proton NMR spectrum of 3-phenylpropanenitrile Illustration Play

Proton NMR spectrum of compound A Illustration Play

Proton NMR spectrum of ethanol Illustration Play

Proton NMR spectrum of ethyl ethanoate Illustration Play

Proton NMR spectrum of propanal Animation Play

Pulsar Animation Play

Pulsar signal Whiteboard exercise Play

Pulsars and black holes Whiteboard exercise Play

Pulsars and black holes Student activity Play

Quality factor Chart Play

Quartet and other multiplets: 'n + 1' rule Animation Play

Radiation Student activity Play

Radiation Illustration Play

Radiation Animation Play