Overview
Watch
Read
Next Steps
Watch
Intro to the nature of light and the electromagnetic spectrum
📝 My Notes
Auto-saves the current timestamp
Intro to the nature of light and the electromagnetic spectrum
4:05
About this lesson
Key Moments
No key moments available.
Video 1 of 10
Intro to the nature of light and the electromagnetic spectrum
4 min
• Selected
Luminous vs illuminated bodies and luminous flux
2 min
Finding the frequency of red light from its wavelength
1 min
Calculating distance light travels in 1 nanosecond in feet
2 min
Calculating the length and wavelength count of a green light pulse
2 min
Calculating Earth-to-Moon distance using a light pulse
2 min
Calculating the speed of light from Earth's orbit diameter
1 min
Calculating wall illumination from a 1750 lm light bulb
1 min
Comparing illumination when a lamp is moved from 40 cm to 80 cm
3 min
Calculating lamp intensity from illumination and distance
2 min