Units and dimensions
Quiz
•
Physics
•
11th Grade
•
Practice Problem
•
Hard
K K B RAO
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which of the following is the unit of latent heat:
J
J mol-1
J Kg-1
J Kg-1 mol-1
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Unit of angular acceleration is SI system:
N kg-1
m sec-2
rad sec-2
km kg-1
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
erg m-1 can be the unit of the measure of
force
momentum
power
acceleration
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The unit of force and length are doubled, the unit of energy will be :
1/4 times
1/2 times
2 times
4 times
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Length cannot be measured by
fermi
debye
micron
light year
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The dimensional formula for strain is same as that for :
stress
modulus of elasticity
thrust
angle of twist
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