MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Explain how radio waves, microwaves and infrared radiation might all play a part when you watch a television show.

Important Questions on Spectra
EASY
Upper Secondary: IGCSE
IMPORTANT
The spectrum of white light consists of seven colours, from red to violet. List the colours in order, one below another.

EASY
Upper Secondary: IGCSE
IMPORTANT
The spectrum of white light consists of seven colours, from red to violet. List the colours in order and add the following labels to your list: highest frequency, lowest frequency, longest wavelength and shortest wavelength.

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
Explain why light is dispersed to form a spectrum when it passes through a glass prism but laser light is not?
