20 SS3 third term Physics questions with options and answers:
Question: What is the law of electromagnetic induction?
A) An electric current produces a magnetic field
B) A changing magnetic field induces an electric current
C) Like charges attract and opposite charges repel
D) The force between two charges is inversely proportional to the square of the distance
Answer: B) A changing magnetic field induces an electric current
Question: What is the term for the point in a vibrating object where the amplitude is zero?
A) Crest
B) Trough
C) Node
D) Antinode
Answer: C) Node
Question: What is the SI unit of magnetic flux?
A) Weber (Wb)
B) Tesla (T)
C) Henry (H)
D) Gauss (G)
Answer: A) Weber (Wb)
Question: What is the phenomenon where a material’s resistance decreases as its temperature decreases?
A) Superconductivity
B) Thermoelectric effect
C) Photoelectric effect
D) Joule heating
Answer: A) Superconductivity
Question: Which type of lens converges light rays to a focal point?
A) Convex lens
B) Concave lens
C) Plano-convex lens
D) Plano-concave lens
Answer: A) Convex lens
Question: What is the formula for calculating the force acting on a current-carrying conductor in a magnetic field?
A) F=I×B×d
B) F= B×d
C) F= I×d B
D) F=I+B+d
Answer: A) F=I×B×d
Question: What is the term for the process of transferring heat through direct contact of particles?
A) Conduction
B) Convection
C) Radiation
D) Insulation
Answer: A) Conduction
Question: Which type of electromagnetic wave has the highest energy?
A) Radio waves
B) Microwaves
C) X-rays
D) Gamma rays
Answer: D) Gamma rays
Question: What is the formula for calculating the electrical power in a circuit with resistance?
A) P=I2×R
B) P=RI
C) 2P=I2R
D) P=I×R
Answer: A) P=I2×R
Question: In the context of optics, what is the phenomenon where light separates into different colors due to its varying wavelengths?
A) Diffraction
B) Dispersion
C) Interference
D) Polarization
Answer: B) Dispersion
Question: What is the term for the rate at which an object changes its velocity?
A) Acceleration
B) Speed
C) Momentum
D) Inertia
Answer: A) Acceleration
Question: Which law of thermodynamics states that the entropy of a perfect crystal at absolute zero is zero?
A) Zeroth Law
B) First Law
C) Second Law
D) Third Law
Answer: D) Third Law
Question: What is the phenomenon where light waves combine to reinforce or cancel each other?
A) Reflection
B) Refraction
C) Diffraction
D) Interference
Answer: D) Interference
Question: What is the term for the minimum energy required to remove an electron from an atom?
A) Ionization energy
B) Electron affinity
C) Electronegativity
D) Atomic radius
Answer: A) Ionization energy
Question: Which law of thermodynamics states that energy can neither be created nor destroyed but can only be transferred or converted from one form to another?
A) Zeroth Law
B) First Law
C) Second Law
D) Third Law
Answer: B) First Law
Question: What is the relationship between the electric potential and current in a circuit element?
A) V=I×R
B) V=R I
C) V=I+R
D) V=R+I
Answer: A) V=I×R
Question: What is the formula for calculating the wavelength of a wave using its speed and frequency?
A) λ=fv
B) λ=v×f
C) λ=vf
D) λ=v+f
Answer: A) λ=fv
Question: Which type of mirror always forms a virtual and upright image?
A) Convex mirror
B) Concave mirror
C) Plane mirror
D) Spherical mirror
Answer: C) Plane mirror
Question: What is the SI unit of inductance?
A) Farad (F)
B) Henry (H)
C) Weber (Wb)
D) Tesla (T)
Answer: B) Henry (H)
Question: What is the term for the change in velocity per unit time?
A) Speed
B) Acceleration
C) Momentum
D) Force
Answer: B) Acceleration.
FAQs
Why are SS3 third term Physics past questions important for exam preparation?
SS3 third term Physics past questions are important because they help students understand the pattern and structure of examination questions. By studying past questions, students become familiar with commonly tested topics such as electromagnetism, wave motion, nuclear physics, and electronics. Practicing these questions also improves problem-solving skills and time management during exams. Additionally, they help students identify areas where they need more revision, making preparation more focused and effective.
How can students effectively study using Physics past questions?
Students can study effectively by first reviewing the relevant Physics topics in their textbooks before attempting past questions. After studying the theory, they should solve past questions without looking at the answers to test their understanding. Once completed, they should check the solutions carefully to see where mistakes were made. Repeating this process consistently helps reinforce key concepts and builds confidence before the examination.
What topics usually appear in SS3 third term Physics past questions?
Common topics that appear in SS3 third term Physics past questions include electromagnetic induction, alternating current (AC) circuits, radioactivity, atomic structure, wave properties, and electronics. These topics are usually emphasized because they are part of the final sections of the senior secondary school Physics syllabus. Questions may involve calculations, definitions, explanations of principles, and sometimes simple practical applications of physical laws.
Where can students find reliable SS3 third term Physics past questions and answers?
Students can find reliable SS3 third term Physics past questions and answers in school revision booklets, educational websites, past examination compilations, and teacher-provided materials. Some online learning platforms and educational blogs also provide downloadable past questions with step-by-step solutions. Using credible sources ensures that the answers are accurate and aligned with the current Physics curriculum.
Also Read: SS3 First Term Physics Past Questions and Answers
