Answers

2015-05-24T16:28:35+05:30
[A] Quantities having units, but no dimensions : Plane angle,angular displacement, solid angle.These physical quantities possess units but they does not possess dimensional formulas. 
B a physical quntatity neither having units nor dimensions are trigonometric ratios,strain , specific gravity etc.
C  a constant which has unit is planck constant etc

D a constant with no unit are 1,2,3 ....,etc
2 4 2