The dimensional formula of potential
[ML2T-3]
[ML2T-3A]
[ML2T-2A]
[ML2T-3A-1]
The difference of two values 10.5682 g and 10.10 g upto correct significant figures is
0.4682 g
0.468 g
0.47 g
0.5 g
The dimensional formula for acceleration is
[M0LT-1]
[MLT2]
[MLT]
[M0LT-2]
The unit of energy in SI system is:
Electron Volt
Calorie
joule
Erg
Which of the following will have the dimensions of time?
LC
R / L
L / R
C / L
How many significant figures are present in the expression 0.009 m?
3
2
1
4
In parallax method distance between the two points of observation is called the
parallel
basis
arc
altitude
If σ = surface charge density,ε = electric permeability,the dimensions of σ/ε are same as
Electric force
Electric field intensity
Electric charge
Pressure
The unit of length convenient on the atomic scale is known as an angstrom and is denoted by Å. 1Å = 10-10 m.The size of the hydrogen atom is about 0.5 Å.What is the total atomic volume in m3 of a mole of hydrogen atoms?
3 x 10-6 m3
3 x 10-7 m3
3 x 10 -17m3
3 x 10-10 m3
The dimensional formula for Young's modulus is:
[ML-1T-1]
[ML2T-2]
[MLT-2]
