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11th Class Part 1 Physics Test Online MCQs With Answers
Question # 1
The speed of light was measured correctly by
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Galileo
Michelson
Newton
Maxwell
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Question # 2
Newton's laws of motion were published in
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1587
1687
1787
1887
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Question # 3
The direction of vector in space is specified by
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1- angle
2- angle
3- angle
4 - angle
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Question # 4
10 N and 20 N are acting on a body of mass 2 kg the minimum acceleration will be.
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10 ms-2
20 ms-2
60 ms-2
5 ms-2
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Question # 5
Who did give the correct formula for the speed of sound in air?
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Boyle
Laplace
Newton
Einstein
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Question # 6
When a fore of 100 N is acting on an object along x-axis then its vertical component will be.
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50 N
0 N
25 N
10 N
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Question # 7
The device used for measurement of liquid flow is.
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Manometer
Barometer
Hydrometer
Venturimeter
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Question # 8
The unit of co efficient of viscosity in S.I system
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Kg -1 ms-1
Kg m-1 s-1
kg -1 m-1
Kg ms-1
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Question # 9
Inertia may expressed in
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Kg
Newton
Watt
Joule
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Question # 10
Food rich in proteins is:
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potato
grapes
vegetables
bread
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Question # 11
Total confined light is obtained by
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Total internal reflection
Refraction of light
Diffraction
Polarization
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Question # 12
the change in internal energy is defined as
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Q - W
Q-T
Q + P
Q - P
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Question # 13
Fringe spacing in Young's double slit experiment increases due to increase in.
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Slit separation
Wave length
Order of Fringe
Frequency of source
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Question # 14
A ball is thrown up vertically, it takes 3 sec to reach maximum height. Its initial velocity is.
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10 ms-1
12.2 ms-1
15 ms-1
29.4 ms-1
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Question # 15
The speed \velocity of sound is greatest in.
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Air
Steel
Ammonia
Water
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Question # 16
The product of rotational inertial 'I' and angular velocity ' w' is equal to.
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Torque
Linear momentum
Angular momentum
Force
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Question # 17
1 KWh =
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3.6 x 10
3
K
3.6 x 10
6
K
3.6 x 10
9
J
3.6 x 10
12
J
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Question # 18
The direction of angular velocity is determined.
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Left hands rule
Head to tail rule
Right hand rule
General rule
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