WorksheetsUnits and dimensions
Total questions: 10
Worksheet time: 3mins
Which of the following is the unit of latent heat:
J
J mol-1
J Kg-1
J Kg-1 mol-1
Unit of angular acceleration is SI system:
N kg-1
m sec-2
rad sec-2
km kg-1
erg m-1 can be the unit of the measure of
force
momentum
power
acceleration
The unit of force and length are doubled, the unit of energy will be :
1/4 times
1/2 times
2 times
4 times
Length cannot be measured by
fermi
debye
micron
light year
Given that v is the speed, r is radius and g is acceleration due to gravity . Which of the following is dimensionless?
v2 r / g
v2 / r g
v2 g / r
v2 g r
The dimensional formula for strain is same as that for :
stress
modulus of elasticity
thrust
angle of twist
If force (F), acceleration (a) and time (T) are used as the fundamental units, the dimensional formula for length will be:
F0 a T2
F a0 T2
F a2 T0
F a T
Angular momentum has the same dimensions as :
Planck's constant
Universal gravitational constant
Rydberg constant
Boltzmann constant
If P is the pressure , ρ is the density and E is the energy of a bubble , the quantity P-5/6 ρ1/2 E1/3 has got the dimensions of :
length
mass
time
velocity
