SS1 second Term physics past questions and answers

SS1 second Term physics past questions and answers

SS1 physics questions with options and answers:

Question: What is the formula for calculating density?

A) Density = Mass/Volume

B) Density = Volume/Mass

C) Density = Force/Area

D) Density = Acceleration × Time

Answer: A) Density = Mass/Volume

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

A) Newton's First Law

B) Newton's Second Law

C) Newton's Third Law

D) Law of Gravitation

Answer: B) Newton's Second Law

Question: What happens to the resistance of a conductor if its temperature increases?

A) Increases

B) Decreases

C) Remains the same

D) Becomes zero

Answer: A) Increases

Question: Which type of lens is used to correct nearsightedness?

A) Convex lens

B) Concave lens

C) Diverging lens

D) Plano-concave lens

Answer: A) Convex lens

Question: What is the principle behind a lever?

A) Archimedes' Principle

B) Pascal's Principle

C) Bernoulli's Principle

D) Law of the Lever

Answer: D) Law of the Lever

Question: What is the phenomenon of a change in the direction of a wave as it passes from one medium to another at an angle?

A) Refraction

B) Reflection

C) Diffraction

D) Interference

Answer: A) Refraction

Question: What is the SI unit of magnetic flux?

A) Tesla

B) Weber

C) Henry

D) Gauss

Answer: B) Weber

Question: What is the relationship between the voltage across a resistor, the current through it, and its resistance in an electrical circuit?

A) V = I/R

B) I = V/R

C) R = I/V

D) P = VI

Answer: A) V = I/R

Question: Which law of thermodynamics states that energy cannot be created nor destroyed, only 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 SI unit of work and energy?

A) Watt-hour

B) Joule

C) Newton-meter

D) Kilowatt

Answer: B) Joule

Question: What is the formula for calculating mechanical advantage in a simple machine?

A) MA = Input Force/Output Force

B) MA = Output Force/Input Force

C) MA = Input Distance/Output Distance

D) MA = Output Distance/Input Distance

Answer: B) MA = Output Force/Input Force

Question: Which phenomenon occurs when a sound wave reflects off a surface and the reflected sound is heard distinctly?

A) Refraction

B) Diffraction

C) Reverberation

D) Resonance

Answer: C) Reverberation

Question: What is the law of conservation of momentum?

A) The total momentum of an isolated system is constant

B) Momentum is created in every interaction

C) Momentum is destroyed in every interaction

D) Momentum depends on the reference frame

Answer: A) The total momentum of an isolated system is constant

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

A) Convex mirror

B) Concave mirror

C) Plane mirror

D) Spherical mirror

Answer: B) Concave mirror

Question: What is the unit of capacitance in an electrical circuit?

A) Farad

B) Ohm

C) Volt

D) Ampere

Answer: A) Farad

Question: What is the primary source of energy in the Sun?

A) Nuclear fission

B) Nuclear fusion

C) Solar radiation

D) Gravitational potential energy

Answer: B) Nuclear fusion

Question: In which electromagnetic spectrum do microwaves belong?

A) Infrared

B) Radio waves

C) Ultraviolet

D) X-rays

Answer: B) Radio waves

Question: Which law of thermodynamics states that the entropy of a system tends to increase over time?

A) Zeroth Law

B) First Law

C) Second Law

D) Third Law

Answer: C) Second Law

Question: What is the relationship between the focal length and the power of a lens?

A) Power = 1/Focal Length

B) Power = Focal Length

C) Power = Focal Length²

D) Power = 1/Focal Length²

Answer: A) Power = 1/Focal Length

Question: What is the SI unit of frequency?

A) Hertz

B) Newton

C) Watt

D) Pascal

Answer: A) Hertz