Physics (General Physics science) GK MCQ Questions in English for Competitive Exams. Important MCQs selected from the previous year exam question papers for preparation of upcoming exams.
Physics GK MCQ Questions in English
Q.1: If the velocity of a moving object increases by 1.5 times, its kinetic energy will:
A) Increase by 1.5 times.
B) Increase by 3 times.
C) Increase by 2.25 times.
D) Increase by 6 times.
Q.2: Which scale is used to measure the intensity of earthquakes?
A) Richter Scale
B) Metric Scale
C) Centigrade Scale
D) Newton Scale
Q.3: When a bottle of scent is opened in a corner of a room, its fragrance spreads to all parts of the room due to?
A) Evaporation
B) Absorption
C) Diffusion
D) Sublimation
Q.4: When a ray of light passes from one medium to another, its?
A) Wavelength remains constant
B) Frequency remains constant
C) Frequency increases
D) None of these
Q.5: The unit of resistance is?
A) Ampere
B) Coulomb
C) Henry
D) Ohm
Q.6: What is the unit of a light-year?
A) Intensity of light
B) Time
C) Distance
D) Speed of light
Q.7: Who invented the telescope?
A) Galileo
B) Gutenberg
C) Edison
D) Graham Bell
Q.8: What type of mirror is used by a dentist to examine a patient’s teeth?
A) Concave
B) Convex
C) Plane
D) Cylindrical
Q.9: Which of the following is not a unit of heat?
A) Calorie
B) Kilocalorie
C) Kilojoule
D) Watt
Q.10: What is used to correct farsightedness?
A) Concave lens
B) Convex lens
C) Convex mirror
D) Concave mirror
Q.11: Which instrument is used to measure the humidity of the air?
A) Hygrometer
B) Hydrometer
C) Manometer
D) Odometer
Q.12: Why is red color used as an emergency or danger signal?
A) It is an attractive color
B) It has the longest wavelength
C) It is scattered
D) It has the highest energy
Q.13: What is the velocity of the fastest object?
A) Speed of sound
B) Speed of light
C) Speed of an electron
D) Speed of an atom
Q.14: What is the unit of speed?
A) Newton
B) Watt
C) Meter/second
D) Joule
Q.15: What is the standard unit of volume?
A) Kilogram
B) Second
C) Liter
D) Meter
Q.16: What is the difference between displacement and distance?
A) Displacement is always greater than distance
B) Displacement is a scalar quantity, while distance is a vector quantity
C) Displacement is a vector, while distance is a scalar
D) Both are the same
Q.17: Who gave the laws of motion?
A) Newton
B) Galileo
C) Einstein
D) Darwin
Q.18: What is Newton’s third law of motion?
A) An object will maintain its state unless acted upon by an external force
B) The direction and magnitude of force are always the same
C) For every action, there is an equal and opposite reaction
D) The magnitude of force is proportional to the mass of an object
Q.19: What form of energy is converted in solar panels?
A) Mechanical energy
B) Kinetic energy
C) Electrical energy
D) Thermal energy
Q.20: What does the speed of sound depend on?
A) Air pressure
B) Air temperature
C) Air humidity
D) All of the above
Q.21: What causes gravitational force?
A) Mass
B) Friction
C) Reflection
D) Motion
Q. 22: What is thermal energy related to?
A) Temperature
B) Motion
C) Velocity
D) Force
Q.23: What is the unit of electric current?
A) Watt
B) Ohm
C) Ampere
D) Volt
Q.24: How is electrical resistance calculated?
A) Ohm’s Law
B) Newton’s Law
C) Galileo’s Law
D) Hooke’s Law
Q.25: In which state is the speed of sound the greatest?
A) Solid
B) Liquid
C) Gas
D) All of the above
Q.26: What is the unit of magnetic force?
A) Newton
B) Kilogram
C) Tesla
D) Watt
Q.27: What travels at the same speed as light?
A) Electron
B) Proton
C) Neutron
D) Photon
Q.28: Who gave the principle of induction?
A) Michael Faraday
B) James Clerk Maxwell
C) Luigi Galvani
D) Albert Einstein
Q.29: What is the unit of energy conversion?
A) Joule
B) Watt
C) Volt
D) Meter
Q.30: What does ‘molecular motion’ refer to in physics?
A) Overall motion of particles
B) Intrinsic motion of molecules
C) Mechanical motion of an object
D) Motion of force
Q.31: What is the difference between speed and velocity?
A) Speed is only magnitude, while velocity has direction.
B) Speed and velocity are the same.
C) Velocity is only magnitude, while speed has direction.
D) Speed has direction, while velocity is only magnitude.
Q.32: What is the unit for measuring mass?
A) Kilogram
B) Meter
C) Joule
D) Watt
Q.33: What is the unit of speed?
A) Meter/second
B) Kilogram/meter
C) Newton
D) Watt
Q.34: What is the unit of frequency for sound waves?
A) Hertz
B) Newton
C) Watt
D) Joule
Q.35: Which property of light is responsible for polarization?
A) Wave nature
B) Particle nature
C) Motion
D) Sound
Q.36: In which state of matter is the speed of sound the greatest?
A) Solid
B) Liquid
C) Gas
D) All of the above
Q.37: What is the definition of gravitational force?
A) The attractive force between two objects
B) The repulsive force between two objects
C) The sustainability of an object
D) The motion of an object
Q.38: How many laws are there in thermodynamics?
A) Three
B) Four
C) Two
D) Five
Q.39: What is the formula for electric current?
A) Voltage/Resistance
B) Voltage × Resistance
C) Voltage/Current
D) Resistance × Current
Q.40: In which field is resonance used?
A) Radio
B) Chemistry
C) Biology
D) Mathematics
Q. 41: What is the property of vibration known as?
A) Frequency
B) Voltage
C) Resistance
D) Temperature
Q.42: What is the fundamental principle of the table theory?
A) The relationship between the frequency of a wave and its speed
B) The relationship between force and motion of an object
C) The relationship between electric current and resistance
D) The relationship between the speed of sound and temperature
Q.43: What are the two main types of mechanical energy?
A) Kinetic and Potential
B) Thermal and Electrical
C) Sound and Light
D) Mass and Force
Q.44: What is the formula for electrical power?
A) Voltage × Current
B) Current × Resistance
C) Voltage / Current
D) Voltage / Resistance
Q.45: Traditionally, what type of waves are sound waves?
A) Three-dimensional
B) Two-dimensional
C) One-dimensional
D) All
Q.46: What is the mathematical formula for displacement?
A) Final position – Initial position
B) Final position + Initial position
C) Distance × Time
D) Time / Distance
Q.47: Which type of energy is lost during the cooling process?
A) Mechanical energy
B) Thermal energy
C) Electrical energy
D) Chemical energy
Q.48: What determines the direction of displacement?
A) Direction of motion
B) Direction of force
C) Initial and final position
D) All
Q.49: Which law of thermodynamics states the principle of energy conservation?
A) First law
B) Second law
C) Third law
D) Fourth law
Question 50: Who proposed the theory of emission?
A) Herschel
B) Planck
C) Henry
D) Newton
Q.51: What happens when force is applied in the direction of motion?
A) Speed increases
B) Speed decreases
C) Speed remains constant
D) No effect
Q.52: What is the definition of electrical resistance?
A) The ability to resist current
B) The ability to conduct current
C) Voltage capacity
D) Energy capacity
Q.53: At what frequency do sound waves have the most energy?
A) High frequency
B) Low frequency
C) Medium frequency
D) All the same
Q.54: Which law of Newton is used to calculate motion?
A) First law
B) Second law
C) Third law
D) All
Q.55: Which law describes the relationship between mass and force?
A) Newton’s first law
B) Newton’s second law
C) Newton’s third law
D) Newton’s fourth law
Q.56: What is involved in the maximum displacement of an object?
A) Work
B) Force
C) Energy
D) Speed
Q.57: What does the speed of sound not depend on?
A) Type of medium
B) Temperature
C) Frequency of sound
D) Amplitude of sound
Q.58: What is the Table Theory related to?
A) Properties of waves
B) Properties of sound
C) Properties of electricity
D) Properties of light
Q.59: What type of laws are the laws of motion?
A) Static
B) Diffraction
C) Mechanical
D) Electrical
Q.60: What is the unit of sound intensity?
A) Decibel
B) Hertz
C) Watt
D) Joule
Q.61: What type of energy is electricity?
A) Thermal
B) Mechanical
C) Chemical
D) Electrical