What is the application of physics that helps in the working of refrigerators?
a) Electromagnetism
b) Thermodynamics
c) Optics
d) Mechanics
Which principle is used in the working of an airplane’s wings?
a) Bernoulli’s principle
b) Newton’s second law
c) Archimedes’ principle
d) Conservation of energy
What principle of physics is used in the operation of a washing machine?
a) Newton’s first law
b) Centrifugal force
c) Conservation of energy
d) Friction
The phenomenon of a hot air balloon rising is an application of which physical principle?
a) Bernoulli’s principle
b) Archimedes’ principle
c) Newton’s law of motion
d) Conservation of mass
Which physical principle explains how a vacuum cleaner works?
a) Conservation of energy
b) Pressure difference
c) Newton’s third law
d) Centripetal force
What law of physics is used when a car slows down due to friction between the tires and the road?
a) Newton’s first law
b) Newton’s second law
c) Newton’s third law
d) Law of friction
Which physical principle explains the functioning of a parachute?
a) Gravity
b) Air resistance
c) Bernoulli’s principle
d) Archimedes’ principle
What principle of physics is involved when a fish swims by pushing water backward?
a) Bernoulli’s principle
b) Newton’s third law
c) Conservation of momentum
d) Law of buoyancy
Which principle is behind the operation of a hydraulic lift?
a) Pascal’s principle
b) Archimedes’ principle
c) Newton’s second law
d) Bernoulli’s principle
Which of the following physical concepts explains the working of a microwave oven?
a) Radiation
b) Conduction
c) Convection
d) Reflection
Which type of energy is stored in a stretched rubber band, making it useful in toys and machines?
a) Kinetic energy
b) Elastic potential energy
c) Chemical energy
d) Gravitational potential energy
Which principle of physics explains the operation of a jet engine?
a) Conservation of mass
b) Newton’s third law
c) Bernoulli’s principle
d) Archimedes’ principle
In which everyday object does the principle of refraction play a role in its operation?
a) Spoon
b) Eyeglasses
c) Hammer
d) Car tire
What principle of physics explains the working of a refrigerator?
a) Thermodynamics
b) Conservation of energy
c) Pressure difference
d) Energy efficiency
Which of the following physical concepts is used to explain the functioning of a bicycle brake?
a) Conservation of energy
b) Friction
c) Bernoulli’s principle
d) Archimedes’ principle
What principle of physics is behind the operation of a car’s shock absorber?
a) Newton’s third law
b) Conservation of energy
c) Hooke’s law
d) Pascal’s principle
The motion of a car can be explained by which branch of physics?
a) Thermodynamics
b) Kinematics
c) Optics
d) Acoustics
Which principle is responsible for making an object float in water?
a) Buoyancy
b) Pressure
c) Friction
d) Elasticity
What is the application of physics used in the functioning of a bicycle bell?
a) Electromagnetism
b) Sound waves
c) Mechanical waves
d) Magnetism
Which of the following physical phenomena is used in the operation of an elevator?
a) Friction
b) Pascal’s principle
c) Conservation of energy
d) Air resistance
Which physical law explains how a rocket propels itself in space?
a) Newton’s third law
b) Conservation of mass
c) Archimedes’ principle
d) Bernoulli’s principle
Which principle is applied in the design of a pressure cooker?
a) Boyle’s law
b) Archimedes’ principle
c) Pascal’s principle
d) Newton’s law
Which of the following is a common application of magnetism in everyday life?
a) Electric fan
b) TV remote control
c) Refrigerator magnet
d) None of the above
Which principle explains the lifting of a boat in water?
a) Archimedes’ principle
b) Pascal’s principle
c) Newton’s second law
d) Bernoulli’s principle
In which of the following systems is the law of conservation of energy applied?
a) Electric kettle
b) Car engine
c) Light bulb
d) All of the above
What is the principle of physics that explains the operation of a pulley?
a) Levers
b) Tension
c) Newton’s laws
d) Friction
The working of a steam engine can be explained by which law of physics?
a) Conservation of energy
b) Newton’s third law
c) Pascal’s principle
d) Bernoulli’s principle
What principle is applied in the use of a magnifying glass?
a) Refraction
b) Reflection
c) Diffraction
d) Absorption
Which of the following physical concepts is responsible for the behavior of a swing?
a) Momentum
b) Elasticity
c) Gravity
d) Kinetics
Which physical principle is utilized in the operation of a hydraulic brake system?
a) Newton’s third law
b) Pascal’s principle
c) Archimedes’ principle
d) Friction
Which type of energy is used in a light bulb?
a) Kinetic energy
b) Electrical energy
c) Heat energy
d) All of the above
What principle of physics explains how a compass works?
a) Magnetic field
b) Gravity
c) Friction
d) Refraction
