Consider the following statements regarding the 'Tyndall effect.
1. It is a phenomenon wherein the scattering of a beam of light can be observed.
2. It can be observed when a fine beam of light enters a room through a small hole.
3. It can be observed when sunlight passes through the canopy of a dense forest.
Which of the statements given above is/are correct?
1
1 only
2
3 only
3
2 only
4
1, 2 and 3