Question 157: Units , Dimensions and Error Analysis

Question

Amount of solar energy received on the earth’s surface per unit area per unit time is defined a solar
constant. Dimension of solar constant is :

Accepted Answer

Solar constant = $${E \over {AT}}$$
= $${{\left[ {{M^1}{L^2}{T^{ - 2}}} \right]} \over {\left[ {{L^2}T} \right]}}$$
= [ ML
0
T
Ã¢ÂÂ3
]

Answer

MLT
–2

Answer

ML
0
T
–3

Answer

M
2
L
0
T
–1

Answer

ML
2
T
–2

Units , Dimensions and Error Analysis