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Physics Class 11 - Chapter 1
MeasurementsTest - 4
1.
The dimension of gravitational constant is?
a) ML
2
T
-2
b) ML
2
T
-3
c) M
-1
L
2
T
-3
d) M
-1
L
-3
T
-2
2.
The energy equal to the mass of one kilogram is?
a) 3x10
3
J
b) 9x10
16
J
c) 25Mev
d) 931Mv
3.
The unit of solid angle is?
a) Steardian
b) None of these
c) Degree
d) Radian
4.
Which pair has not same dimensions?
a) Angular momentum and linear momentum
b) Work and torque
c) Moment of inertia and moment of force
d) Impulse and moment
5.
Which one is the most precise instrument?
a) Vernier calipers
b) All of these
c) Screw gauge
d) Meter rod
6.
10
12
can be written as?
a) Atto
b) Deca
c) Nano
d) Pico
7.
Which one is the least sub multiple?
a) Atto
b) Femto
c) Nano
d) Pico
8.
Absolute uncertainty in a measurement depends upon?
a) Directional view of measurement
b) %age error in measurement
c) Magnitude of the measurement
d) Least count of measurement
9.
An ideal standard of measurement of a base quantity has characteristics?
a) Invariable
b) Transportable
c) All of these
d) Accessible
10.
The dimensions of mc
2
are?
a) ML
2
T
-2
b) ML
2
T
-1
c) ML
-2
T
-2
d) MLT
-2
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