Small Test of Physics Basics
1.What is the difference between Ao and A.U.? [1]
2.Name physical quantities whose units are electron volt and pascal? [1]
3. When a planet X is at a distance of 824.7 million kilometers from earth its
angular diameter is measured to be 35.7211 of arc. Calculate the diameter of ‘X’.
[2]
9. E, m, p and G denote energy, mass, momentum and gravitational
constant respectively. Determine the dimensions of E2 m5/p7G
[2]
11. The density of cylindrical rod was measured by the formula:- 2
P=4m/πD2 l
The percentage in m, D and l are 1%, 1.5% and 0.5%. Calculate the % error in
the calculated value of density?