SS3 third Term physics past questions and answers

SS3 third Term physics past questions and answers

SS3 physics questions with options and answers:

Question: What is the SI unit of frequency?

A) Hertz

B) Newton

C) Watt

D) Joule

Answer: A) Hertz

Question: According to the law of reflection, the angle of incidence is equal to the angle of ________.

A) Refraction

B) Transmission

C) Diffraction

D) Reflection

Answer: D) Reflection

Question: What type of mirror converges light rays to a focal point?

A) Concave mirror

B) Convex mirror

C) Plane mirror

D) Spherical mirror

Answer: A) Concave mirror

Question: Which particle is positively charged in an atom?

A) Electron

B) Proton

C) Neutron

D) Positron

Answer: B) Proton

Question: In which state of matter do particles have the most kinetic energy?

A) Solid

B) Liquid

C) Gas

D) Plasma

Answer: D) Plasma

Question: What is the principle behind the functioning of a refrigerator?

A) Boyle's Law

B) Archimedes' Principle

C) Carnot Cycle

D) Pascal's Law

Answer: C) Carnot Cycle

Question: Which of the following is a scalar quantity?

A) Force

B) Velocity

C) Acceleration

D) Distance

Answer: D) Distance

Question: What is the SI unit of momentum?

A) Newton-second

B) Joule

C) Kilogram-meter per second

D) Watt

Answer: C) Kilogram-meter per second

Question: What is the effect of increasing the temperature on the resistance of a conductor?

A) Increases

B) Decreases

C) Remains the same

D) Becomes zero

Answer: A) Increases

Question: According to Kepler's laws, what is the shape of the orbit followed by a planet around the Sun?

A) Circle

B) Ellipse

C) Parabola

D) Hyperbola

Answer: B) Ellipse

Question: Which law describes the relationship between the pressure and temperature of a gas, assuming constant volume?

A) Boyle's Law

B) Charles's Law

C) Gay-Lussac's Law

D) Avogadro's Law

Answer: C) Gay-Lussac's Law

Question: What is the SI unit of magnetic induction?

A) Tesla

B) Gauss

C) Henry

D) Weber

Answer: A) Tesla

Question: What is the principle behind the functioning of an electric generator?

A) Faraday's Law of Electromagnetic Induction

B) Ohm's Law

C) Coulomb's Law

D) Hooke's Law

Answer: A) Faraday's Law of Electromagnetic Induction

Question: Which of the following is a fundamental force in nature?

A) Frictional force

B) Tension force

C) Gravitational force

D) Normal force

Answer: C) Gravitational force

Question: What is the principle behind the functioning of a simple electric motor?

A) Faraday's Law of Electromagnetic Induction

B) Ohm's Law

C) Coulomb's Law

D) Newton's First Law

Answer: A) Faraday's Law of Electromagnetic Induction

Question: What is the relationship between the temperature and volume of a gas, assuming constant pressure?

A) Boyle's Law

B) Charles's Law

C) Gay-Lussac's Law

D) Avogadro's Law

Answer: B) Charles's Law

Question: In the context of optics, what is the focal length of a lens?

A) The distance between the lens and an object

B) The distance between the lens and an image

C) The distance between two lenses

D) The distance between two mirrors

Answer: B) The distance between the lens and an image

Question: What is the unit of measurement for electric potential difference?

A) Volt

B) Ampere

C) Ohm

D) Coulomb

Answer: A) Volt

Question: Which law states that the total energy of an isolated system remains constant over time?

A) Zeroth Law

B) First Law

C) Second Law

D) Conservation of Energy

Answer: D) Conservation of Energy

Question: What is the relationship between the wavelength and frequency of a wave in the wave equation v = f\lambdav=fλ?

A) v \propto fv∝f

B) v \propto \lambdav∝λ

C) f \propto \lambdaf∝λ

D) v = f\lambdav=fλ

Answer: D) v = f\lambdav=fλ