Which of the following are the effects of surface tension?
1. Water beading on a leaf
2. Soap bubbles
3. Separation of oil and water
4. Tears of wine
Select the correct answer using the codes given below:
1
1 and 3 only
2
2 and 3 only
3
1, 3 and 4 only
4
1, 2, 3 and 4