Published 03 Mar, 2020

50 Important Physics Practice GK Questions Set 1

by Nitroquiz Official | GK Quiz

1. The SI unit of mass is
A. Liter
B. Kilogram
C. Meter
D. Newton
2. The SI unit of temperature is
A. Joule
B. Candela
C. Kelvin
D. Fahrenheit
3. The average distance between the Sun and the Earth generally used for distance comparison between celestial objects is
A. Light year
B. Parallactic Second
C. Earth Year
D. Astronomical Unit
4. The distance traveled by light in a year is widely known as
A. Light year
B. Astronomical year
C. Light distance
D. Light second
5. How much light years is equal to one Parallectic second or parsec?
A. 10 ly
B. 0.5 ly
C. 3.25 ly
D. 4ly
6. The length of the path traced by an object in specific time period is commonly known as
A. Acceleration
B. Distance
C. Speed
D. Velocity
7. The rate of change of velocity per unit time is termed as
A. Acceleration
B. Force
C. Mass
D. Velocity
8. The SI unit of electric current is
A. Volt
B. Ampere
C. Joule
D. Watt
9. The units of inertia is same as that of
A. Mass
B. Time
C. Heat
D. Luminous Intensity
10. The law that says, that "Every body continues to be in the state of rest or in motion until acted upon by an external force" is
A. Einstein's Mass Energy Equation
B. Newton's first law of motion
C. Law of Universal Gravitation
D. Newton's third law of motion
11. The SI unit of luminous intensity is
A. Watt
B. Ampere
C. Kelvin
D. Candela
12. The SI unit of radioactivity is
A. Newton
B. Gamma
C. Becquerel
D. Alpha
13. The SI unit of pressure is named in honor of
A. Archimedes
B. Pascal
C. Bernoulli
D. Magnus
14. The SI (from the French Le Système International d'Unités), the modern metric system of measurement was established in
A. 1969
B. 1970
C. 1960
D. 2001
15. The unit for measuring the relative loudness of sound is
A. Decibel
B. Hertz
C. Watt
D. Weber
16. Which of the following is a vector quantity?
A. Speed
B. Mass
C. Acceleration
D. Time
17. Which of the following is a scalar quantity?
A. Acceleration
B. Velocity
C. Momentum
D. Electric Current
18. Newton's first law is also known as the
A. Misinterpreted Law
B. Law of inertia
C. Law of conservation of momentum
D. Law of universal gravitation
19. At which of the following temperatures, water has the most density?
A. 0 deg celsius
B. 10 deg celsius
C. 4 deg celsius
D. 100 deg celsius
20. Why does an ice cube floats on the water surface despite being a solid?
A. Something holds it up
B. It's cold
C. It's lighter than water
D. It's less dense than the water
21. The devices that convert solar energy into electricity are termed as
A. Solar Cookers
B. Solar Radiators
C. Batteries
D. Solar Cells
22. A man is standing on weighing machine in an elevator, what change will he see in his weight when the elevator is moving up?
A. Weight decreases
B. Weight remains same
C. Weight increases
D. Weight will become zero
23. The velocity at which an object thrown from the Earth towards space will never return is known as
A. Escape Velocity
B. Binding Velocity
C. Threshold Velocity
D. Miracle Velocity
24. A satellite whose time period is equal to that of the earth is called
A. A Polar Satelllite
B. A Natural Satellite
C. Artificial Satellite
D. Geostationary Satellite
25. How far is the geostationary orbit from the surface of the Earth?
A. 1 Light year
B. 1 Astronomical Unit
C. 12,756 km
D. 35,786 km
26. How many watts are there in an 1 HP (Horse Power)?
A. 100 Watt
B. 746 Watt
C. 1000 Watt
D. 550 Watt
27. A unit of distance Angstrom is generally used to measure
A. Distance between celestial bodies
B. Velocity
C. Frequency
D. Wavelength
28. The force that opposes relative motion between surfaces is known as
A. Resistance
B. Stress
C. Pressure
D. Friction
29. Which of the following forces is an example of non-conservative or dissipative force
A. Gravitational Force
B. Magnetic Force
C. Weak Force
D. Frictional Force
30. The temperature of an object is an indication of
A. It's weight
B. the average velocity of its molecules
C. It's mass
D. It's velocity
31. The SI unit of heat is
A. Joule
B. Calorie
C. Watt
D. Kelvin
32. One kilo calorie is equivalent to how many joules of energy?
A. 4184 Joules
B. 1 Joule
C. 100 Joules
D. 1000 Joules
33. What is the boiling point of water on a Celsius scale?
A. 37 deg celsius
B. 50 deg celsius
C. 10 deg celsius
D. 100 deg celsius
34. What is the absolute zero temperature on Celsius scale?
A. 0 deg celsius
B. 50 deg celsius
C. -273 deg celsius
D. -100 deg celsius
35. What is the average human body temperature on Celsius scale?
A. 100 deg celsius
B. 50 deg celsius
C. 25 deg celsius
D. 37 deg celsius
36. At what temperature the Celsius scale and the Fahrenheit scale display the same temperature reading?
A. -40 deg
B. 0 deg
C. 50 deg
D. 100 deg
37. What happens to the boiling point of a liquid when the pressure is increased?
A. Boiling point drops rapidly
B. Boiling point decreases
C. Boiling point increases
D. Boiling point remains same
38. The temperature at which the vapor pressure of liquid is equal to the atmospheric pressure is known as
A. Boiling point of a liquid
B. Melting point of a liquid
C. Freezing point of a liquid
D. Fusing point of a liquid
39. The temperature and pressure at which solid, liquid, and vapor phases of a particular substance coexist in equilibrium is termed as
A. Melting Point
B. Boiling Point
C. Freezing Point
D. Triple Point
40. What will happen to the water level of glass filled to its brim, when the ice cube placed in it melts?
A. Water level increases
B. Water level decreases
C. Water level remains same
D. It becomes empty
41. The law that says that the energy can neither be created nor be destroyed is
A. Newton's second law
B. First law of thermodynamics
C. Law of gravitation
D. Law of conservation of momentum
42. What is the surface temperature of the Sun?
A. 10 K
B. 1000 K
C. 6000 K
D. 9000 K
43. What happens to the boiling point of water when salt is added to it?
A. Boiling point increases
B. Boiling point remains same
C. Boiling point drops
D. Boiling point cannot be determined
44. Which of the following devices is used for measuring the amount of heat?
A. Ammeter
B. Calorimeter
C. Thermometer
D. Manometer
45. What happens to the volume of gas when the temperature increases?
A. Volume Decreases
B. Volume becomes zero
C. Volume Increases
D. Volume Remains Same
46. What is the speed on sound in air?
A. 340 m/s
B. 300000 km/s
C. 100ms/s
D. 1000m/s
47. The sounds with frequency less than 20 Hz which are not audible to the human ear is termed as
A. Infrasonic Sound
B. Ultrasonic Sound
C. Unhearable Sound
D. Virtual Noise
48. The sounds with frequencies higher than 20 kilo hertz which are not audible to the human ear is termed as?
A. Super Sonic Sound
B. Infrasonic Sound
C. Ultrasonic Sound
D. Noise
49. In which of the following mediums sound will travel the fastest?
A. Vacuum
B. Steel
C. Water
D. Air
50. An object moving at a speed greater than that of sound is called to be travelling at?
A. Ultrasonic Speed
B. Supersonic Speed
C. Infrasonic Speed
D. Simple Sonic Speed

You have answered 0 out of 50 questions correctly in first attempts.

Remaining questions to answer : 50
You may also like