4 results found for light

View Grid List
Sort A-Z By date
00:12:00

The eye and colour vision

by Joe Wolfe
The eye and colour vision
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 2428 views
Rating:

The physics of the eye, its performance and colour vision: refraction and accommodation; photoreceptors and resolution; compromises in visual performance.

More details | Watch now
00:11:00

Geometrical optics

by Joe Wolfe
Geometrical optics
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1638 views
Rating:

On scales much bigger than the wavelength, rays explain the behaviour of interfaces, mirrors, lenses, optical instruments, including telescopes and microscopes.

More details | Watch now
00:12:00

The nature of light

by Joe Wolfe
The nature of light
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1558 views
Rating:

White light comprises colours in the visible spectrum. The electromagnetic spectrum. Speed of light. Young's experiment and waves. Quanta and photons.

More details | Watch now
00:10:00

The Doppler effect

by Joe Wolfe
The Doppler effect
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 2192 views
Rating:

Moving either source or receiver produces a frequency shift called the Doppler effect, which we measure and analyse.

More details | Watch now