Consider the following pairs.
1] Size of atomic nucleus: 10−15
2] Size of red blood corpuscle: 10−4
3] Radius of Earth: 108
4] Size of our Galaxy: 1018
Which of the above pairs are correctly matched?1
Only 1
2
1 and 4 only
3
2, 3 and 4 only
4
1, 3 and 4 only