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.301 If two identical charges q are separated by distance r, the electric field midway between them is:
A kq/r^2
B 2kq/r^2
C zero
D 4kq/r^2
Discuss / Board
Q.302 A body is in translatory equilibrium when:
A net force is zero
B net torque is zero
C velocity is increasing
D acceleration is constant non-zero
Discuss / Board
Q.303 The time period of a simple pendulum is independent of its:
A length
B mass of the bob
C acceleration due to gravity
D location
Discuss / Board
Q.304 Light year is a unit of measurement for:
A time
B speed of light
C astronomical distances
D luminosity
Discuss / Board
Q.305 Which of the following does not possess any dimensional formula?
A refractive index
B gravitational constant
C plancks constant
D coefficient of viscosity
Discuss / Board
Q.306 According to Kepler's second law, a planet sweeps equal areas in equal intervals of time. This signifies conservation of:
A linear momentum
B angular momentum
C kinetic energy
D total mechanical energy
Discuss / Board
Q.307 A convex lens is dipped in a liquid whose refractive index is equal to that of the lens. The lens will act as:
A a more powerful convex lens
B a concave lens
C a flat glass plate
D a prism
Discuss / Board
Q.308 A battery of emf E and internal resistance r is connected to an external resistance R. Power delivered to R is maximum when:
A R is zero
B R is equal to r
C R is much greater than r
D R is infinite
Discuss / Board
Q.309 If the Earth stopped rotating, what would happen to the value of 'g' at the equator?
A it would increase
B it would decrease
C it would remain the same
D it would become zero
Discuss / Board
Q.310 Which principle does a standard mercury barometer use to measure atmospheric pressure?
A hydrostatic pressure balance
B capillary action
C thermal expansion
D bernoullis principle
Discuss / Board
Q.311 A uniform magnetic field will exert a magnetic force on a charged particle only if the particle is:
A at rest
B moving parallel to the field
C moving perpendicular or at an angle to the field
D neutral
Discuss / Board
Q.312 The core of an electromagnet is typically made of soft iron because soft iron possesses:
A low retentivity and low coercivity
B high retentivity and high coercivity
C low permeability
D high electrical resistance
Discuss / Board
Q.313 During the phase transition of a substance (e.g., solid to liquid), the heat supplied is utilized to:
A increase the kinetic energy of particles
B increase the temperature of the substance
C overcome intermolecular forces
D expand the volume drastically
Discuss / Board
Q.314 Which defect of vision is caused by the gradual weakening of ciliary muscles and diminishing flexibility of the eye lens?
A myopia
B hypermetropia
C presbyopia
D astigmatism
Discuss / Board
Q.315 What is the order of magnitude of the resolving power of a normal human eye?
A one degree
B one minute
C one second
D ten minutes
Discuss / Board
Q.316 To convert a moving coil galvanometer into an ammeter, one must connect a:
A high resistance in series
B high resistance in parallel
C low resistance in series
D low resistance in parallel
Discuss / Board
Q.317 If momentum is strictly conserved in a collision but kinetic energy is not, the collision is termed:
A perfectly elastic
B inelastic
C super elastic
D impossible
Discuss / Board
Q.318 Which is the strongest fundamental force in nature over extremely short distances?
A gravitational force
B electromagnetic force
C weak nuclear force
D strong nuclear force
Discuss / Board
Q.319 The velocity of electromagnetic waves in a vacuum depends heavily on:
A their frequency
B their wavelength
C their intensity
D permittivity and permeability of free space
Discuss / Board
Q.320 Isotopes of a given chemical element always possess the exact same number of:
A neutrons
B protons
C nucleons
D electrons and neutrons
Discuss / Board
Q.321 Which property of a spring determines how stiff or rigid it is?
A its unstretched length
B the spring constant
C its mass
D its diameter alone
Discuss / Board
Q.322 According to the first law of thermodynamics, the heat given to a system is equal to the sum of work done and:
A increase in kinetic energy
B decrease in entropy
C change in internal energy
D change in enthalpy
Discuss / Board
Q.323 In simple harmonic motion (SHM), acceleration is always directly proportional to:
A velocity
B time
C displacement
D mass
Discuss / Board
Q.324 When a ship moves from river water into the ocean, it rises a little because:
A ocean is deeper than river
B ocean water is salty and denser
C ocean waves push it up
D ship loses weight in open sea
Discuss / Board
Q.325 The instrument used to continuously measure the purity of milk is called a:
A hydrometer
B lactometer
C barometer
D hygrometer
Discuss / Board
Q.326 In a step-down transformer, the number of turns in the secondary coil is:
A greater than primary
B less than primary
C equal to primary
D infinite
Discuss / Board
Q.327 What happens to the focal length of a convex lens when it is submerged in water?
A it decreases
B it increases
C it remains same
D it becomes negative
Discuss / Board
Q.328 Alpha rays consist fundamentally of which of the following particles?
A fast moving electrons
B electromagnetic photons
C helium nuclei
D single protons
Discuss / Board
Q.329 A jet plane flying at high altitude creates a white trail due to the condensation of:
A unburnt fuel
B moisture in the exhaust
C atmospheric dust
D ozone layer interactions
Discuss / Board
Q.330 Which material is broadly considered the best conductor of electricity among standard metals?
A copper
B gold
C silver
D aluminum
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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