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

A) Increases
B) Decreases
C) Remains the same
D) Becomes zero
Question: Which type of lens is used to correct nearsightedness?

A) Convex lens
B) Concave lens
C) Diverging lens
D) Plano-concave 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
Question: What is the SI unit of magnetic flux?

A) Tesla
B) Weber
C) Henry
D) Gauss
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
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
Question: What is the SI unit of work and energy?

A) Watt-hour
B) Joule
C) Newton-meter
D) Kilowatt
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
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
Question: What is the unit of capacitance in an electrical circuit?

B) Ohm
C) Volt
D) Ampere
Question: What is the primary source of energy in the Sun?

A) Nuclear fission
B) Nuclear fusion
D) Gravitational potential energy
Question: In which electromagnetic spectrum do microwaves belong?

A) Infrared
C) Ultraviolet
D) X-rays
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
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