Chandrasekhar Limit is the unit of:
Distance
Time
Intensity
Mass
A vernier Callipers with 1MSD = 1cm has 5 divisions as the vernier. The least count is
0.8 mm
0.8 cm
0.4 cm
0.5 cm
A certain body weighs 22.42 g and has a measured volume of 4.7 cc.The possible error in the measurement of mass and volume are 0.01 g and 0.1 cc.Then maximum error in the density will be
22%
2%
0.2%
0.02%
The SI unit for _______ is ampere.
luminous intensity
electric current
electric voltage
electric potential
In the addition of following numbers with respect to significant figures find the correct answer 8.31 +10.6723 + 0.0043
18.9866
19
18.99
18.987
How many significant figures are present in the expression 0.009m ?
3
2
1
4
If σ = surface charge density,ε = electric permeability,the dimensions of σ/ε are same as
Electric force
Electric field intensity
Electric charge
Pressure
Which law of thermodynamics leads to the concept of temperature?
Zeroth law
First law
Second law
Both '1' and '2'
If an instrument gives nearly equal values in repeated measurements, it possess
Accuracy
Precession
Both accuracy and precession
Sensitivity
The number of significant figures in 200.01 are
5
6
