Physics Questions, Science Questions for Competitive Exams, Science Questions, Physics One Liners, Physics MCQ for SSC & other Competitive Exams.
Hello Friends, Today we are sharing with you One Liners Physics Questions and Answers. This is very helpful for various competitive exams like SSC CGL, CHSL, MTS, RRB, DMRC, UPSC & other competitive exams.
1. Two vectors are equal if their- shape direction is same.
2. What type of force acts on a car moving on a
circular curved path - Centripetal
force
3. On what principle does the washing machine work – decentralization
4. Under what conditions will the maximum weight of an
object be on- the earth's
pole
5. What is an air pressure measuring instrument called
– barometer
6. Why the weightlessness is felt when the spacecraft
revolves around the Earth – zero gravity
7. What principle does the segmental Libra work on – the Hook rule
8. Why the Earth has its own atmosphere – due to the force of gravity
9. What is the stopping force of a vehicle when
applying a brake – friction
force
10. Sea water has more salts than rain water because – rivers carry salts from the
earth and pour it into the sea.
11. What is the stored heat energy stored during the
change of heat in a substance – kinetic energy
12. photon whose basic unit is- Light
13. Due to which huge amount of energy is released in
the explosion of a nuclear bomb- the change of neutrons to protons
14. Which has maximum mass- neutron
15. What is the example of the motion of the body around
a circular path – uniform
vein, variable acceleration
16.
What principle does the rocket work on – Newton's Third Law
17. What causes clouds to float in the atmosphere – low density
18. Why the speeding wheel is an important part of the
steam engine – helps the
engine to keep the speed the same.
19. What is the freezing point of fresh water – 0'C
20. In which a real gas can act as an ideal gas – low pressure and high
temperature
21. What is the example of the speed of the wheels of a
bullock cart while walking on the road - Transitional and rotational speed
22. With whose help the purity of a metal can be
determined – Archimedes'
principle
23. When two objects are placed at some distance, they
feel the force of gravity against each other. If the distance between them is
doubled from the first distance, then the force will be-
1/4
F
24. Ineffective wave is formed by – two waves of the same shape,
moving in opposite direction
25. The minimum number of forces to keep a particle in
equilibrium is – 2
26. SHM It should be necessary in the system showing – both elasticity and inertia
27. To easily open a door, its handle should be placed- The handle should be at a
greater distance than the occupation to open the door easily.
28. The driver of a vehicle climbing a hill keeps the
ratio of gear – equal to
or more than 1
29. A wire of resistance T is cut into equal parts, then
these parts are connected in parallel. The equivalent resistance of the
combination will be – R /
n2
30. An object covers a distance that is directly
proportional to the square of time. Its acceleration is- constant
31. Distance of stars is measured in- Light years
32. 1 micron is equal to- 10-6 mm
33. Which is the highest density of water – 40 C
34. The value of one horsepower is – 746 watts
35. The sound of an aircraft is generally compatible
with- 100 decibels
36.
When
the mercury of the barometer suddenly falls, what does it signify- the possibility of thunderstorm or hail
37. The work done by the formula of a simple pendulum
during a full oscillation is equal to-
Zero
38. What are the units of Planck constant – Joule second
39. What causes a needle or pin to float on the surface
of water – surface
tension
40. What are the units of electric power- Watt
41. Both a metal band and a rubber band of the same code
normally strike a wall with the same wave. The ball of rubber is rebound and
the metal ball is not rebound. What can be concluded from this – Rubber balls bear more changes
in momentum.
42. If an object rotates in a circle at the same speed- its velocity remains the same.
43. Why rice cooks faster in pressure cooker – Water boils at a higher
temperature when there is pressure.
44.
The
total energy required to launch a missile at a velocity lower than the Earth's
flight velocity – negative
45. When water freezes- its density decreases.
46. Works on the basis of conservation of linear force- rocket
47. The intensity ratio of waves is 25: 9, what will be
the ratio of their expansion – 5: 3
48. What is the most suitable unit to express the
nuclear radius- angstrom
49. What is the amount of substance in a steel sphere- Mass
50.
Whose
rule of hydraulic brake works on – Pascal's rule
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