Question 1.
An oil drop spreads over water because
A. Oil is lighter than water
B. Oil is more viscous
C. Oil does not mix with water
D. water has a higher surface tension
Ans: D. water has a higher surface tension
Question 2.
A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank?
A. The liquid surface falls down on the direction of motion and rises up on the back side of the tank
B. The liquid surface falls down only at the center of the tank
C. The surface of the liquid remains horizontal
D. None
Ans: A. The liquid surface falls down on the direction of motion and rises up on the back side of the tank
Question 3.
Ball pen functions on the principle of :
A. Viscosity
B. Boyle’s Law
C. Gravitational force
D. Surface tension
Ans: D. Surface tension
Question 4.
A body falling through a liquid acquires a steady velocity is known as
A. End velocity
B. Touch down velocity
C. Terminal velocity
D. Steady state velocity
Ans: C. Terminal velocity
Question 5.
Rotameter is used to measure
A. Vortex flow
B. Density of fluids
C. Velocity of fluid in pipes
D. Flow of fluids
Ans: D. Flow of fluids
Question 6.
The lift of an aeroplane is caused by
A. Law of gravitation
B. Theorem of continuity
C. Pascel’s law
D. Bernouli’s theorem
Ans: D. Bernouli’s theorem
Question 7.
When a detergent is added to pure water, its surface tension
A. Increases
B. Decreases
C. Remains constant
D. Becomes infinite
Ans: B. Decreases
Question 8.
The spoon dropped by an astronaut in a satellite will
A. Fall to the floor
B. Remain stationary
C. Continue to follow the motion of the satellite
D. Move tangentially away
Ans: C. Continue to follow the motion of the satellite
Question 9.
Siphon will fail to work if
A. The level of the liquid in the two vessels are at the same height
B. The temperature of the liquids in the two vessels are the same
C. The densities of the liquid in the two vessels are equal
D. Both its limbs are of unequal length
Ans: A. The level of the liquid in the two vessels are at the same height
Question 10.
Which of the following instrument is used to measure Soil Water Tension?
A. Photometer
B. Pyrometer
C. Psychrometer
D. Tensiometer
Ans: D. Tensiometer
Question 11.
Pieces of camphor placed on water move about rapidly. This is because of
A. Diffusion
B. Viscosity
C. Surface tension
D. Capillarity
Ans: C. Surface tension
Question 12.
An aircraft can perform aerobatic manoeuvres in a vertical loop because of
A. Gravity
B. Centripetal force
C. Weight
D. Centrifugal force
Ans: A. Gravity
Question 13.
Sprayer functions on
A. Bernouli’s principle
B. Archemede’s principle
C. Pascal’s law
D. Floatation principle
Ans: A. Bernouli’s principle
Question 14.
Blotting paper absorbs ink due to
A. Capillary action phenomenon
B. Diffusion of ink through the blotting
C. Siphon action
D. Viscosity of ink
Ans: A. Capillary action phenomenon
Question 15.
What is unit of Viscosity ?
A. Coulomb
B. Newton second per square meter
C. Watt per meter per degree celcius
D. Joule per kilogram per Kelvin
Ans: B. Newton second per square meter
Question 16.
Which one is not a part of Kepler’s Law?
A. Law of orbits
B. Law of areas
C. Law of speed
D. Law of periods
Ans: C. Law of speed
Question 17.
A drop of liquid assumes spherical shape because:
A. Intermolecular forces are strong in liquids
B. A sphere has the least surface area for a given volume
C. A sphere has the largest surface area for a given volume
D. Inter molecular forces are weak in liquids
Ans: B. A sphere has the least surface area for a given volume
Question 18.
Name the process by which bubbles from liquid are formed?
A. Effervescence
B. Surface Tension
C. Surface Energy
D. Degasification
Ans: A. Effervescence
Question 19.
The hair of shaving brush clings together when removed from water due to
A. Surface tension
B. Viscosity
C. Elasticity
D. Friction
Ans: A. Surface tension
Question 20.
Kepler’s law of planetary motion states that the square of the time period is proportional to the
A. Semi-major axis
B. Square of the semi-major axis
C. Cube of the semi-major axis
D. Fourth power of the semi-major axis
Ans: C. Cube of the semi-major axis
Physics GK MCQs all set
- Physics MCQs Set-1
- Physics MCQs Set-2
- Physics MCQs Set-3
- Physics MCQs Set-4
- Physics MCQs Set-5
- Physics MCQs Set-6
- Physics MCQs Set-7
- Physics MCQs Set-8
- Physics MCQs Set-9
- Physics MCQs Set-10
- Physics MCQs Set-11
- Physics MCQs Set-12
- Physics MCQs Set-13
- Physics MCQs Set-14
- Physics MCQs Set-15
- Physics MCQs Set-16
- Physics MCQs Set-17
- Physics MCQs Set-18
- Physics MCQs Set-19
- Physics MCQs Set-20
- Physics MCQs Set-21
- Physics MCQs Set-22
- Physics MCQs Set-23
- Physics MCQs Set-24
- Physics MCQs Set-25
- Physics MCQs Set-26
- Physics MCQs Set-27
- Physics MCQs Set-28
- Physics MCQs Set-29
- Physics MCQs Set-30
- Physics MCQs Set-31
- Physics MCQs Set-32
- Physics MCQs Set-33
- Physics MCQs Set-34
- Physics MCQs Set-35
- Physics MCQs Set-36
- Physics MCQs Set-37
- Physics MCQs Set-38
- Physics MCQs Set-39
- Physics MCQs Set-40
- Physics MCQs Set-41
- Physics MCQs Set-42
- Physics MCQs Set-43
- Physics MCQs Set-44
- Physics MCQs Set-45
- Physics MCQs Set-46
- Physics MCQs Set-47
- Physics MCQs Set-48
- Physics MCQs Set-49
- Physics MCQs Set-50
- Physics MCQs Set-51
- Physics MCQs Set-52
- Physics MCQs Set-53
- Physics MCQs Set-54
- Physics MCQs Set-55
- Physics MCQs Set-56
- Physics MCQs Set-57
- Physics MCQs Set-58
- Physics MCQs Set-59
- Physics MCQs Set-60
- Physics MCQs Set-61
- Physics MCQs Set-62
- Physics MCQs Set-63
- Physics MCQs Set-64
- Physics MCQs Set-65
- Physics MCQs Set-66
- Physics MCQs Set-67
- Physics MCQs Set-68
- Physics MCQs Set-69
- Physics MCQs Set-70
- Physics MCQs Set-71
- Physics MCQs Set-72
- Physics MCQs Set-73
- Physics MCQs Set-74
- Physics MCQs Set-75
- Physics MCQs Set-76
We hope the given MCQ Questions for Physics GK PDF Free Download will definitely yield fruitful results. If you have any queries related to Physics GK Multiple Choice Questions with Answers, drop your questions below and will get back to you in no time.