æHere are 50 Physics Questions with Answers suitable for school students and competitive exam practice.
50 Physics MCQs with Answers
The SI unit of force is:
A) Joule B) Newton C) Watt D) Pascal
Answer: B) Newton
The SI unit of energy is:
A) Watt B) Joule C) Volt D) Ohm
Answer: B) Joule
The speed of light in vacuum is approximately:
A) 3 × 10⁶ m/s B) 3 × 10⁷ m/s C) 3 × 10⁸ m/s D) 3 × 10⁹ m/s
Answer: C) 3 × 10⁸ m/s
Which instrument measures electric current?
A) Voltmeter B) Ammeter C) Thermometer D) Barometer
Answer: B) Ammeter
The SI unit of power is:
A) Watt B) Joule C) Newton D) Volt
Answer: A) Watt
Which mirror is used as a rear-view mirror?
Answer: Convex mirror
The SI unit of frequency is:
Answer: Hertz (Hz)
Sound cannot travel through:
A) Air B) Water C) Steel D) Vacuum
Answer: D) Vacuum
The force that opposes motion is called:
Answer: Friction
The SI unit of pressure is:
Answer: Pascal
Copper is a good:
Answer: Conductor
Rubber is a good:
Answer: Insulator
Weight is measured in:
Answer: Newton
Mass is measured in:
Answer: Kilogram
The device used to measure voltage is:
Answer: Voltmeter
The energy of a moving object is:
Answer: Kinetic energy
Stored energy is called:
Answer: Potential energy
The SI unit of current is:
Answer: Ampere
The SI unit of resistance is:
Answer: Ohm
Which color has the longest wavelength in visible light?
Answer: Red
The image formed by a plane mirror is:
Answer: Virtual and erect
Which lens is used in a magnifying glass?
Answer: Convex lens
The bending of light is called:
Answer: Refraction
The bouncing back of light is called:
Answer: Reflection
The planet with the strongest gravity in the Solar System is:
Answer: Jupiter
The force that pulls objects toward Earth is:
Answer: Gravity
The SI unit of length is:
Answer: Metre
The SI unit of time is:
Answer: Second
Heat flows from:
Answer: A hotter body to a colder body
Which form of energy comes from the Sun?
Answer: Solar energy
The speed of an object in a particular direction is called:
Answer: Velocity
The rate of change of velocity is:
Answer: Acceleration
Like magnetic poles:
Answer: Repel each other
Unlike magnetic poles:
Answer: Attract each other
Which gas is commonly used in electric bulbs?
Answer: Argon
A battery converts:
Answer: Chemical energy into electrical energy
Water boils at (at standard atmospheric pressure):
Answer: 100°C
Ice melts at:
Answer: 0°C
Which is a renewable source of energy?
Answer: Wind energy
Coal is a:
Answer: Non-renewable energy source
The formula for density is:
Answer: Mass ÷ Volume
The SI unit of density is:
Answer: kg/m³
An object at rest tends to remain at rest due to:
Answer: Inertia
Momentum depends on:
Answer: Mass and velocity
The Earth rotates around its:
Answer: Axis
Day and night are caused by:
Answer: Earth’s rotation
Seasons are caused by:
Answer: Earth’s tilt and revolution around the Sun
The SI unit of work is:
Answer: Joule
Which type of energy is stored in a stretched spring?
Answer: Potential energy
The branch of science that studies matter, energy, force, and motion is called:
Answer: Physics
