Consider the following statements regarding the 'Tyndall effect'.
1. It is a phenomenon wherein 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?

A

1,2, and 3 only

B

1 only

C

3 only

D

2 only