SS2 Third Term Physics Past Questions And Answers

SS2 physics Past questions with options and answers:

Question: Which of the following is a vector quantity?

 

a) Speed

b) Distance

c) Displacement

d) Time

 

Answer: c) Displacement

 

Question: What is the SI unit of frequency?

 

a) Hertz (Hz)

b) Newton (N)

c) Pascal (Pa)

d) Watt (W)

 

Answer: a) Hertz (Hz)

 

Question: According to Ohm’s Law, what is the relationship between current (I), voltage (V), and resistance (R)?

 

a) I = \frac{V}{R}I=

R

V

 

 

b) V = IRV=IR

c) R = \frac{V}{I}R=

I

V

 

 

d) P = VIP=VI

 

Answer: a) I = \frac{V}{R}I=

R

V

 

 

 

Question: What is the law of conservation of momentum?

 

a) The total momentum of a system is constant if no external forces act on it

b) Momentum is directly proportional to velocity

c) Momentum is inversely proportional to mass

d) Momentum is conserved only in elastic collisions

 

Answer: a) The total momentum of a system is constant if no external forces act on it

 

Question: In a parallel circuit, how does the total resistance compare to the individual resistances?

 

a) It is equal to the sum of individual resistances

b) It is less than the smallest individual resistance

c) It is greater than the largest individual resistance

d) It is equal to the average of individual resistances

 

Answer: b) It is less than the smallest individual resistance

 

Question: What is the unit of capacitance?

 

a) Farad (F)

b) Henry (H)

c) Coulomb (C)

d) Volt (V)

 

Answer: a) Farad (F)

 

Question: Which law of thermodynamics states that energy cannot be created nor destroyed, only transformed from one form to another?

 

a) First Law of Thermodynamics

b) Second Law of Thermodynamics

c) Zeroth Law of Thermodynamics

d) Third Law of Thermodynamics

 

Answer: a) First Law of Thermodynamics

 

Question: What is the principle behind the operation of a transformer?

 

a) Archimedes’ Principle

b) Faraday’s Law of Electromagnetic Induction

c) Pascal’s Law

d) Boyle’s Law

 

Answer: b) Faraday’s Law of Electromagnetic Induction

 

Question: In nuclear reactions, what is the term for the process of combining two atomic nuclei to form a heavier nucleus?

 

a) Fission

b) Fusion

c) Radioactive decay

d) Alpha decay

 

Answer: b) Fusion

 

Question: Which color of light has the shortest wavelength?

 

a) Red

b) Blue

c) Green

d) Yellow

 

Answer: b) Blue

 

Question: What is the function of a concave lens?

 

a) Converge light rays

b) Diverge light rays

c) Magnify objects

d) Correct farsightedness

 

Answer: b) Diverge light rays

 

Question: What is the critical angle in optics?

 

a) The angle of reflection

b) The angle of incidence

c) The minimum angle for total internal reflection

d) The maximum angle for refraction

 

Answer: c) The minimum angle for total internal reflection

 

Question: What is the purpose of a fuse in an electrical circuit?

 

a) To increase resistance

b) To regulate voltage

c) To interrupt the circuit in case of overcurrent

d) To store electrical energy

 

Answer: c) To interrupt the circuit in case of overcurrent

 

Question: Which law of motion is described by the equation F = maF=ma?

 

a) Newton’s First Law

b) Newton’s Second Law

c) Newton’s Third Law

d) Kepler’s Law

 

Answer: b) Newton’s Second Law

 

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

 

a) Archimedes’ Principle

b) Boyle’s Law

c) Hooke’s Law

d) Pascal’s Law

 

Answer: c) Hooke’s Law