Published 03 Mar, 2020

# 50 Important Physics Practice GK Questions Set 1

A. Liter
B. Kilogram
C. Meter
D. Newton
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
A. 10 ly
B. 0.5 ly
C. 3.25 ly
D. 4ly
A. Acceleration
B. Distance
C. Speed
D. Velocity
A. Acceleration
B. Force
C. Mass
D. Velocity
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
A. Watt
B. Ampere
C. Kelvin
D. Candela
A. Newton
B. Gamma
C. Becquerel
D. Alpha
A. Archimedes
B. Pascal
C. Bernoulli
D. Magnus
A. 1969
B. 1970
C. 1960
D. 2001
A. Decibel
B. Hertz
C. Watt
D. Weber
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
A. Solar Cookers
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
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
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
A. Joule
B. Calorie
C. Watt
D. Kelvin
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
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
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
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
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
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

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