Preparing for the SSB TGT Science examination requires a comprehensive understanding of physics concepts, as reflected in the top 30 multiple-choice questions (MCQs) on the subject. These questions cover a broad spectrum of topics, ranging from classical mechanics to modern physics. They may include inquiries on Newton’s laws of motion, electromagnetic theory, thermodynamics, and quantum mechanics. Candidates should be well-versed in fundamental principles and their applications to solve problems efficiently. Mastery of these physics MCQs not only demonstrates proficiency but also ensures readiness to excel in the SSB TGT Science examination, thereby paving the way for a successful career in teaching.
Top 30 Physics MCQs for SSB TGT Science 25 April 2024
- What is the SI unit of force?
[A] Joule
[B] Newton
[C] Watt
[D] Volt
Answer: B [Newton] - What property of an object determines its resistance to a change in motion?
[A] Mass
[B] Volume
[C] Density
[D] Temperature
Answer: A [Mass] - Which law of motion states that “for every action, there is an equal and opposite reaction”?
[A] Newton’s First Law
[B] Newton’s Second Law
[C] Newton’s Third Law
[D] Archimedes’ Principle
Answer: C [Newton’s Third Law] - What is the unit of measurement for acceleration?
[A] Meter
[B] Kilogram
[C] Meter per second squared (m/s²)
[D] Newton
Answer: C [Meter per second squared (m/s²)] - Which of the following is a vector quantity?
[A] Speed
[B] Mass
[C] Temperature
[D] Velocity
Answer: D [Velocity] - What is the acceleration due to gravity on the surface of the Earth?
[A] 9.8 m/s
[B] 9.8 m/s²
[C] 9.8 N
[D] 9.8 N/m²
Answer: B [9.8 m/s²] - What is the SI unit of gravitational mass?
[A] Newton
[B] Kilogram
[C] Meter per second squared
[D] Pascal
Answer: [B] Kilogram - Which famous scientist formulated the law of universal gravitation?
[A] Albert Einstein
[B] Isaac Newton
[C] Galileo Galilei
[D] Johannes Kepler
Answer: [B] Isaac Newton - If the gravitational mass of an object is doubled while its weight remains constant, what happens to the acceleration due to gravity acting on it?
[A] It remains constant
[B] It halves
[C] It doubles
[D] It quadruples
Answer: [A] It remains constant - Which of the following factors affects the value of surface tension?
[A] Density of the liquid
[B] Volume of the liquid
[C] Temperature of the liquid
[D] Pressure applied to the liquid
Answer: [C] Temperature of the liquid - Which of the following is NOT a characteristic of the Doppler effect?
[A] Change in frequency
[B] Change in wavelength
[C] Change in speed
[D] Change in pitch
Answer: [C] Change in speed - What is the term for the phenomenon in which a wave undergoes changes in direction and speed when passing from one medium to another?
[A] Refraction
[B] Reflection
[C] Diffraction
[D] Interference
Answer: [A] Refraction - In the context of optics, what is the term for the point at which parallel light rays converge or appear to diverge after passing through a lens or reflecting from a mirror?
[A] Focal point
[B] Principal axis
[C] Aperture
[D] Refractive index
Answer: [A] Focal point - What is the name of the phenomenon in which light waves spread out as they pass through a narrow opening or around obstacles?
[A] Refraction
[B] Reflection
[C] Diffraction
[D] Dispersion
Answer: [C] Diffraction - According to the laws of thermodynamics, what happens to the total entropy of an isolated system over time?
[A] Increases
[B] Decreases
[C] Remains constant
[D] Fluctuates randomly
Answer: [A] Increases - Which of the following particles is NOT a constituent of an atom’s nucleus?
[A] Neutron
[B] Proton
[C] Electron
[D] Quark
Answer: [C] Electron - What is the name of the hypothetical particle proposed to be the force carrier for the gravitational force in certain theories of quantum gravity?
[A] Graviton
[B] Photon
[C] Boson
[D] Neutrino
Answer: [A] Graviton - What is the term for the phenomenon in quantum mechanics where particles exhibit both wave-like and particle-like behavior?
[A] Uncertainty principle
[B] Superposition
[C] Quantum entanglement
[D] Wave-particle duality
Answer: [D] Wave-particle duality - What aspect of a sound wave does the brain interpret when it processes the frequency of an emitted sound?
[A] Intensity
[B] Amplitude
[C] Timbre
[D] Pitch
Answer: [D] Pitch - According to the Law of Conservation of Angular Momentum, what happens to the angular momentum of a system if there is no total external torque acting on it?
[A] It decreases
[B] It becomes infinite
[C] It remains constant
[D] It fluctuates randomly
Answer: [C] It remains constant - Angular momentum is associated with which motion of an object?
[A] Linear motion
[B] Circular motion
[C] Translational motion
[D] Oscillatory motion
Answer: [B] Circular motion - What is the formula for angular momentum?
[A] Mass × Velocity
[B] Force × Time
[C] Moment of Inertia × Angular Speed
[D] Momentum × Distance
Answer: [C] Moment of Inertia × Angular Speed - Who was the scientist credited with the discovery and identification of electrons?
[A] Albert Einstein
[B] Isaac Newton
[C] J.C. Bose
[D] J.J. Thompson
Answer: [D] J.J. Thompson - What is the work done by centripetal force in the case of uniform circular motion?
[A] 1 joule
[B] 0 joule
[C] Depends on the magnitude of Force
[D] None of the above
Answer: [B] 0 joule - What is the coefficient of restitution for a perfectly elastic collision?
[A] 0
[B] 1
[C] -1
[D] 100
Answer: [B] 1 - According to the law of conservation of momentum, what happens to the total momentum of a closed system?
[A] It decreases
[B] It remains constant
[C] It increases
[D] It fluctuates randomly
Answer: [B] It remains constant - Who formulated the three laws of motion?
[A] Albert Einstein
[B] Isaac Newton
[C] Galileo Galilei
[D] Johannes Kepler
Answer: [B] Isaac Newton - In which type of collision does the total kinetic energy of the system remain constant?
[A] Perfectly elastic collision
[B] Perfectly inelastic collision
[C] Partially elastic collision
[D] None of the above
Answer: [A] Perfectly elastic collision - What is the measure of an object’s resistance to changes in rotational motion?
[A] Mass
[B] Momentum
[C] Inertia
[D] Force
Answer: [C] Inertia - If a toy boat sinks in a tank filled with water, what will happen to the level of water?
[A] Increase
[B] Decrease
[C] Fluctuate
[D] Remain the same
Answer: [A] Increase
