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.211 The angle of dip at the magnetic equator is:
A 0 degrees
B 45 degrees
C 90 degrees
D 180 degrees
Discuss / Board
Q.212 The core of an electromagnet is made of:
A steel
B copper
C soft iron
D aluminum
Discuss / Board
Q.213 Moving charges produce:
A only electric field
B only magnetic field
C neither electric nor magnetic field
D both electric and magnetic fields
Discuss / Board
Q.214 An electron enters a magnetic field at right angles. Its path will be:
A straight line
B circular
C parabolic
D elliptical
Discuss / Board
Q.215 The magnetic susceptibility of a diamagnetic substance is:
A small and negative
B small and positive
C large and positive
D zero
Discuss / Board
Q.216 Dynamo converts:
A electrical energy into mechanical energy
B mechanical energy into electrical energy
C heat energy into electrical energy
D magnetic energy into heat energy
Discuss / Board
Q.217 The half-life of a radioactive substance is independent of:
A initial mass
B decay constant
C nature of substance
D temperature
Discuss / Board
Q.218 X-rays are:
A positively charged particles
B negatively charged particles
C electromagnetic waves
D neutral particles
Discuss / Board
Q.219 The photoelectric effect establishes that light behaves as:
A waves
B particles
C both a and b
D neither a nor b
Discuss / Board
Q.220 The nucleus of an atom consists of:
A electrons and protons
B electrons and neutrons
C only protons
D protons and neutrons
Discuss / Board
Q.221 Which of the following has the highest penetrating power?
A alpha rays
B beta rays
C gamma rays
D cathode rays
Discuss / Board
Q.222 The energy equivalent of 1 amu is:
A 931 mev
B 1.6 e-19 j
C 9.1 e-31 j
D 1 ev
Discuss / Board
Q.223 In an n-type semiconductor, the majority charge carriers are:
A holes
B electrons
C protons
D neutrons
Discuss / Board
Q.224 A logic gate that produces a high output only when all inputs are high is:
A and gate
B or gate
C nand gate
D nor gate
Discuss / Board
Q.225 The minimum energy required to remove an electron from the surface of a metal is called:
A ionization energy
B kinetic energy
C work function
D threshold energy
Discuss / Board
Q.226 Isotopes have the same number of:
A neutrons
B protons
C electrons only
D nucleons
Discuss / Board
Q.227 The surface tension of water decreases with:
A increase in temperature
B decrease in temperature
C addition of salt
D increase in volume
Discuss / Board
Q.228 Bernoullis theorem is an application of the conservation of:
A mass
B momentum
C energy
D force
Discuss / Board
Q.229 The dimension of Plancks constant is the same as that of:
A energy
B angular momentum
C work
D power
Discuss / Board
Q.230 The binding energy per nucleon is maximum for:
A helium
B uranium
C iron-56
D oxygen
Discuss / Board
Q.231 If the length of a simple pendulum is increased by 44 percent, its time period increases by:
A 20 percent
B 44 percent
C 22 percent
D 10 percent
Discuss / Board
Q.232 According to the theory of relativity, which of the following is absolute?
A time
B mass
C velocity of light
D length
Discuss / Board
Q.233 The device used to detect small electric currents is:
A voltmeter
B galvanometer
C ammeter
D multimeter
Discuss / Board
Q.234 Superconductors are materials that offer:
A zero electrical resistance at very low temperatures
B infinite resistance at room temperature
C zero resistance at high temperatures
D constant resistance at all temperatures
Discuss / Board
Q.235 If the radius of the Earth shrinks by 1% while its mass remains constant, what will be the effect on the acceleration due to gravity?
A decreases by 1%
B increases by 1%
C increases by 2%
D decreases by 2%
Discuss / Board
Q.236 What is the total work done by the centripetal force on a body moving in a uniform circular path?
A positive
B negative
C zero
D depends on mass
Discuss / Board
Q.237 If the momentum of a moving body is increased by 20%, by what percentage will its kinetic energy increase?
A 20%
B 40%
C 44%
D 10%
Discuss / Board
Q.238 What is the apparent weight of a person standing inside a freely falling elevator?
A double their true weight
B half their true weight
C zero
D equal to their true weight
Discuss / Board
Q.239 The dimensional formula of impulse is identical to that of which physical quantity?
A force
B momentum
C pressure
D work
Discuss / Board
Q.240 Why do liquid drops naturally assume a spherical shape?
A due to atmospheric pressure
B due to gravity
C due to surface tension
D due to viscosity
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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