EASY
Upper Secondary: IGCSE
IMPORTANT
Earn 100
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.
Important Questions on Spectra
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?
EASY
Upper Secondary: IGCSE
IMPORTANT
Explain why light is dispersed to form a spectrum when it passes through a glass prism but laser light is not?
EASY
Upper Secondary: IGCSE
IMPORTANT
A narrow beam of white light enters a glass prism and it splits into the colours of the visible spectrum. What name we give to bending of light as it enters the prism?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
A narrow beam of white light enters a glass prism and it splits into the colours of the visible spectrum. What name we give to the different amounts of bending that give rise to the spectrum.
EASY
Upper Secondary: IGCSE
IMPORTANT
A narrow beam of white light enters a glass prism and it splits into the colours of the visible spectrum. The lines labelled A to G represent rays of seven main colours of the visible spectrum. Write down the letter that corresponds to the RED ray.
