Physics set 1 MCQs

Practice interactive objective questions for this topic. Select an option to instantly verify your answer and read detailed explanations.

Showing 448 questions
Q.121 A hydraulic press works on the basis of which principle?
A Archimedes Principle
B Bernoulli's Principle
C Pascal's Law
D Boyle's Law
Discuss / Board
Q.122 The rate of change of momentum of a body is directly proportional to the what?
A Mass of the body
B Applied Force
C Velocity of the body
D Acceleration
Discuss / Board
Q.123 A transformer is an electrical device used to do what?
A Convert AC to DC
B Convert DC to AC
C Step up or step down AC voltage
D Measure electrical resistance
Discuss / Board
Q.124 What is the SI unit of work and energy?
A Newton
B Watt
C Joule
D Pascal
Discuss / Board
Q.125 What is the freezing point of pure water on the Fahrenheit scale?
A 0 degrees F
B 32 degrees F
C 100 degrees F
D 212 degrees F
Discuss / Board
Q.126 The working of a rocket is based on the principle of conservation of what?
A Mass
B Energy
C Linear Momentum
D Angular Momentum
Discuss / Board
Q.127 Which electromagnetic wave has the highest frequency and energy?
A Radio waves
B Microwaves
C X-rays
D Gamma rays
Discuss / Board
Q.128 Which type of mirror is used as a rear view mirror in vehicles?
A Plane mirror
B Concave mirror
C Convex mirror
D Cylindrical mirror
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Q.129 What is the SI unit of electrical resistance?
A Volt
B Ampere
C Ohm
D Siemens
Discuss / Board
Q.130 What type of energy is stored in a dry cell battery?
A Mechanical energy
B Electrical energy
C Chemical energy
D Nuclear energy
Discuss / Board
Q.131 The sky appears blue due to which phenomenon of light?
A Reflection
B Scattering
C Diffraction
D Polarization
Discuss / Board
Q.132 Ultrasonic waves are sound waves with frequencies of what range?
A Below 20 Hz
B Between 20 Hz and 20,000 Hz
C Above 20,000 Hz
D Equal to the speed of light
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Q.133 Who is credited with the discovery of radioactivity?
A Marie Curie
B Henri Becquerel
C Ernest Rutherford
D J.J. Thomson
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Q.134 What is the SI unit of magnetic flux?
A Tesla
B Weber
C Gauss
D Henry
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Q.135 Which instrument is used to measure relative humidity in air?
A Hydrometer
B Hygrometer
C Anemometer
D Barometer
Discuss / Board
Q.136 Where is the weight of an object maximum on the Earth?
A At the Equator
B At the Poles
C At the center of the Earth
D It remains same everywhere
Discuss / Board
Q.137 Who invented the first nuclear reactor?
A Niels Bohr
B Enrico Fermi
C Albert Einstein
D J. Robert Oppenheimer
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Q.138 Sound waves traveling through air are examples of what type of waves?
A Transverse waves
B Longitudinal waves
C Electromagnetic waves
D Radio waves
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Q.139 The process of a solid changing directly into a gas is called what?
A Condensation
B Evaporation
C Sublimation
D Deposition
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Q.140 What is the value of absolute zero on the Celsius temperature scale?
A 0 degrees C
B -100 degrees C
C -273.15 degrees C
D 273.15 degrees C
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Q.141 Which electronic device is used to convert alternating current to direct current?
A Amplifier
B Rectifier
C Oscillator
D Inverter
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Q.142 What is the minimum distance of distinct vision for a normal human eye?
A 15 cm
B 20 cm
C 25 cm
D Infinity
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Q.143 Nuclear fusion is the primary source of energy in what?
A Nuclear reactors
B The Earths core
C The Sun and stars
D Volcanic eruptions
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Q.144 Which color of light deviates the least when passing through a glass prism?
A Red
B Blue
C Violet
D Green
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Q.145 The branch of physics dealing with subatomic particles and their interactions is called what?
A Thermodynamics
B Classical Mechanics
C Quantum Mechanics
D Acoustics
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Q.146 A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments is:
A infinity
B depends on the total mass
C zero
D maximum
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Q.147 A body moving in a circular path with constant speed has:
A constant velocity
B constant acceleration
C constant kinetic energy
D constant displacement
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Q.148 The moment of inertia of a body depends on:
A mass of the body only
B angular velocity
C angular momentum
D distribution of mass and axis of rotation
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Q.149 Two projectiles are fired at angles 30 degrees and 60 degrees with the same speed. The ratio of their maximum heights is:
A 1:2
B 1:3
C 1:1
D 2:1
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Q.150 A particle is moving in a circle with uniform speed v. In moving from a point to a diametrically opposite point, its momentum changes by:
A zero
B mv
C 2mv
D 4mv
Discuss / Board

Master Physics set 1 for All Competitive Exams 2026

Practicing Physics set 1 MCQs is one of the most effective ways to prepare for competitive examinations in 2026. This topic-wise question bank contains carefully selected multiple-choice questions designed to strengthen conceptual understanding, improve accuracy, and enhance problem-solving speed. Our collection includes beginner, intermediate, and advanced-level questions frequently asked in JKSSB, SSC, Banking, Railway, Police, Defence, State PSC, and various national-level examinations. Every question is structured to reflect real exam patterns and helps candidates become familiar with objective-type assessment formats. Instant answer verification enables students to identify mistakes immediately and learn the correct approach without wasting valuable preparation time. Regular practice of topic-wise MCQs improves retention, reinforces key concepts, and develops confidence required to perform well under exam pressure. Whether you are revising important concepts, preparing for an upcoming recruitment test, or strengthening weak areas, these practice questions provide a reliable platform for continuous improvement. Consistent participation in MCQ-based learning sessions can significantly increase your chances of achieving higher scores and better ranks in competitive examinations.

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