Log in
Sign up for FREE
arrow_back
Library

Light & colour

star
star
star
star
star
Last updated 5 months ago
21 questions
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
12
Question 1
1.

How does light travel in a vacuum?

Question 2
2.

What type of wave is light?

Question 3
3.

Which of the following is true about light?

Question 4
4.

What happens when light reflects off a smooth surface?

Question 5
5.

What is the angle of incidence equal to during reflection?

Question 6
6.

Which surface would produce a clear reflection?

Question 7
7.

What happens to light as it enters a denser medium at an angle?

Question 8
8.

Which phenomenon causes a straw in water to appear bent?

Question 9
9.

What happens to the speed of light as it moves from air to water?

Question 10
10.

White light is made up of how many colours?

Question 11
11.

What is the process of splitting white light into its component colours called?

Question 12
12.

Which colour has the longest wavelength in the visible spectrum?

Question 13
13.

Which colour of light bends the most when refracted?

Question 14
14.

What happens to white light when it hits a green object?

Question 15
15.

Why does a black object appear black?

Question 16
16.

What determines the colour an object appears?

Question 17
17.

What happens when we see a red apple under white light?

Question 18
18.

What colour would a red apple appear under blue light?

Question 19
19.

What happens to the other colours in white light when we see a blue object?

Question 20
20.

Which part of the eye helps us see different colors?

Question 21
21.
  • White light is made up of _______ colours, which together form the visible spectrum.
  • The process of splitting white light into its component colours using a prism is called _______
  • _______ has the longest wavelength in the visible spectrum, while _______ has the shortest.
  • When light enters a denser medium, such as glass, it bends. This bending of light is called _______
  • A green object appears green because it _______ green light and _______ all other colours.
  • A black object appears black because it _______ all the colours of light and reflects none.
  • When white light passes through a prism, _______ light bends the most, while_______ light bends the least.
  • If a red object is placed under green light, it will appear _______ because it cannot reflect the green light.
  • The part of the eye responsible for detecting colour is the_______ which contains cone cells.