EASY
Upper Secondary: IGCSE
IMPORTANT
Earn 100
All electromagnetic waves travel at the same speed in empty space. Copy and complete the word equation below giving the value of this speed.
Speed of electromagnetic waves in empty space _____
Important Questions on Spectra
EASY
Upper Secondary: IGCSE
IMPORTANT
Copy and complete the following sentences putting suitable words in the gap.
The light from a laser is described as _____ because it is light of a single _____
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
A glass prism can be used to show the dispersion of white light to form a spectrum. Draw a diagram to show how a ray of white light is dispersed as it passes through a prism.
EASY
Upper Secondary: IGCSE
IMPORTANT
A glass prism can be used to show the dispersion of white light to form a spectrum. Which colour of light is most strongly dispersed (deflected) as it passes through the prism.
EASY
Upper Secondary: IGCSE
IMPORTANT
A glass prism can be used to show the dispersion of white light to form a spectrum. Explain why some colours of light are more strongly dispersed than others.
EASY
Upper Secondary: IGCSE
IMPORTANT
Visible light lies between infrared and microwaves in the electromagnetic spectrum.
EASY
Upper Secondary: IGCSE
IMPORTANT
Infrared waves have longer wavelength than red light.
EASY
Upper Secondary: IGCSE
IMPORTANT
All electromagnetic waves travel with same speed in vacuum.
EASY
Upper Secondary: IGCSE
IMPORTANT
At what speed electromagnetic waves travel through vacuum?
