SS3 second Term physics past questions and answers

SS3 second Term physics past questions and answers

SS3 physics questions with options and answers:

Question: What is the SI unit of power?

A) Newton

B) Joule

C) Ampere

D) Watt

Answer: D) Watt

Question: Which law states that the total electric flux through a closed surface is equal to the charge enclosed by the surface divided by the permittivity of free space?

A) Gauss's Law for Electricity

B) Faraday's Law of Electromagnetic Induction

C) Ampere's Law

D) Ohm's Law

Answer: A) Gauss's Law for Electricity

Question: What is the unit of measurement for capacitance?

A) Ohm

B) Farad

C) Henry

D) Volt

Answer: B) Farad

Question: Which of the following is an example of a non-contact force?

A) Friction

B) Tension

C) Gravity

D) Magnetic force

Answer: D) Magnetic force

Question: What is the formula for density?

A) D = \frac{m}{V}D= 

V

m

​ 

 

B) D = \frac{V}{m}D= 

m

V

​ 

 

C) D = \frac{m}{a}D= 

a

m

​ 

 

D) D = \frac{a}{m}D= 

m

a

​ 

 

Answer: A) D = \frac{m}{V}D= 

V

m

​ 

 

Question: Which color has the highest frequency in the visible light spectrum?

A) Red

B) Blue

C) Green

D) Yellow

Answer: B) Blue

Question: What is the relationship between current, voltage, and resistance in Ohm's Law?

A) V = IRV=IR

B) I = \frac{V}{R}I= 

R

V

​ 

 

C) R = \frac{V}{I}R= 

I

V

​ 

 

D) P = IVP=IV

Answer: B) I = \frac{V}{R}I= 

R

V

​ 

 

Question: What happens to the buoyant force on an object immersed in a fluid when it is fully submerged?

A) Increases

B) Decreases

C) Remains the same

D) Becomes zero

Answer: C) Remains the same

Question: Which type of electromagnetic waves has the shortest wavelength?

A) Radio waves

B) Microwaves

C) X-rays

D) Infrared rays

Answer: C) X-rays

Question: What is the conservation law associated with angular momentum?

A) Conservation of Energy

B) Conservation of Mass

C) Conservation of Angular Momentum

D) Conservation of Linear Momentum

Answer: C) Conservation of Angular Momentum

Question: In the context of wave motion, what is the amplitude of a wave?

A) The distance between two consecutive crests

B) The distance between two consecutive troughs

C) The maximum displacement from the equilibrium position

D) The speed of the wave

Answer: C) The maximum displacement from the equilibrium position

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

A) To increase current

B) To decrease voltage

C) To increase voltage

D) To decrease resistance

Answer: C) To increase voltage

Question: Which law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted?

A) Zeroth Law

B) First Law

C) Second Law

D) Third Law

Answer: B) First Law

Question: What is the SI unit of magnetic flux?

A) Weber

B) Tesla

C) Ampere-turn

D) Henry

Answer: A) Weber

Question: What is the critical angle in optics?

A) The angle of incidence equal to the angle of reflection

B) The minimum angle of incidence for total internal reflection

C) The angle at which light passes through a lens

D) The angle at which diffraction occurs

Answer: B) The minimum angle of incidence for total internal reflection

Question: Which law of thermodynamics states that the entropy of any isolated system always increases over time?

A) Zeroth Law

B) First Law

C) Second Law

D) Third Law

Answer: C) Second Law

Question: What is the unit of measurement for magnetic field strength?

A) Tesla

B) Henry

C) Gauss

D) Weber

Answer: A) Tesla

Question: What is the principle behind a simple pendulum's period of oscillation?

A) Hooke's Law

B) Archimedes' Principle

C) Pascal's Law

D) Boyle's Law

Answer: A) Hooke's Law

Question: What is the wavelength of a wave with a frequency of 20 Hz and a speed of 340 m/s?

A) 17 m

B) 10 m

C) 5 m

D) 8.5 m

Answer: C) 5 m

Question: Which of the following is a unit of electric potential?

A) Coulomb

B) Volt

C) Ampere

D) Ohm

Answer: B) Volt