Colours in light

9.What is the correct order of colours in the visible spectrum from longest to shortest wavelength?

10.A white object appears white because it:

11.A student shines white light onto a piece of paper that appears red in white light. What colour would the paper appear if illuminated only by green light?

12.Which of the following statements is true?

13.Which colour of light refracts the least when passing through a prism?

14.A student shines white light through a prism and observes a spectrum. Which colour is at the top of the spectrum?

15.White light passes through a prism. The refractive index for violet light is 1.53 and for red light is 1.51. Which statement is correct?

16.What colour of light is transmitted through a green filter?

17.A blue object is illuminated by white light. What colour does it appear?

18.A red object is illuminated by green light. What colour does the object appear?

19.What causes dispersion of white light?

20.A ray of white light enters a glass prism. The angle of incidence is 45°. The angle of refraction for red light is 28° and for violet light is 26°. What is the difference in the angles of refraction between red and violet?

21.A student places a red filter in front of a white light source and then shines the light onto a white screen. What colour appears on the screen?

22.Which of the following statements explains why a rainbow forms?

23.A magenta object appears magenta in white light. What colours does it reflect?

24.Which of the following is the correct order of colours in the visible spectrum from longest to shortest wavelength?

25.What is the name for the splitting of white light into its component colours?

26.A green object appears green in white light because it

27.Which colour of light refracts the most when passing through a glass prism?

28.A student sets up a prism and shines a narrow beam of white light at it. A spectrum is seen on a screen. Which statement explains why dispersion occurs?

29.A white object appears white because it

30.What is the splitting of white light into seven colours called?

31.A green object appears green because it

32.A student passes white light through a prism and observes a spectrum on a screen. Which colour of light is refracted the most?

33.White light passes through a red filter and then shines onto a green object. What colour does the object appear?

34.A student shines white light onto a blue object. The object appears blue. Which statement explains why?

35.A student uses a prism to disperse white light. The angle of incidence is the same for all colours. Which colour has the smallest angle of refraction?

36.Which of the following statements about dispersion is correct?

37.What is the correct order of colours in the visible spectrum from longest wavelength to shortest wavelength?

38.A student places a yellow filter in front of a white light source. The light then passes through a blue filter. What colour emerges from the blue filter?

39.A ray of white light enters a glass prism. The angle of incidence is 45°. The angle of refraction for red light is 28° and for violet light is 26°. What is the angle between the red and violet rays inside the prism?

40.A student passes white light through a prism and observes a spectrum on a screen. Which colour is refracted the most?

41.All colours of light experience the same refractive index when going into a prism.

42.Dispersion is what causes rainbows.

43.Red light refracts most in a prism.

44.Of all the colours, red light has the longest wavelength.

45.Arrange the colours of the visible spectrum in order from longest wavelength to shortest wavelength.

46.A white object reflects all seven colours of light in the spectrum.

47.Which of the following statements about dispersion are correct? (Select all that apply)

48.Match each colour of light to its relative refraction in a prism.

49.A student shines white light through a prism and observes a spectrum on a screen. Which colour is refracted the least?

50.A green object appears green because it reflects only green light into our eyes.

51.Describe why dispersion happens.

52.State what colour of light is transmitted through an orange filter.

53.Describe why a blue object looks blue.

54.White light is passed through a yellow filter. State what colour is transmitted.

55.The light from the yellow filter in the previous question is shone onto a blue object. Describe why the object looks black.

56.A ray of white light enters a glass prism. The angle of incidence is 45°. The angle of refraction for red light is 28° and for violet light is 26°. What is the difference in angle of refraction between red and violet light?

57.A ray of white light enters a glass prism. The angle of incidence is 45°. The angle of refraction for red light is 28° and for violet light is 26°. What is the difference in angle of refraction between red and violet light?