Permeability and absorption of X-rays Student activity Play

Photoelectric effect and Einstein Student activity Play

Photoelectric effect and wavelength Slideshow Play

Photoelectric effect and wavelength Student activity 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 Whiteboard exercise Play

Planck's postulates Student activity Play

Production and loss of heat Student activity Play

Production and loss of heat Slideshow 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

Radiation Student activity Play

Radiation Illustration Play

Radiation Animation Play

Radiation Animation Play

Radiation Animation Play

Radiation Whiteboard exercise Play

Radiation and a charge Animation Play

Radiation of heat Student activity Play