2.6+1.4= ____.
3.2
2.2
4.0
3.10
We need to add 2.6 and 1.4. Allign the decimal points of both the numbers to add them.
1 2.6+ 1.4––– 4.0––– Hence, 2.6 + 1.4 = 4.0 .
What is the stopping potential when the metal with work function 0.6 eV is illuminated with the light of 2 eV