SS2 Second Term Physics Past Questions And Answers

Here they are;

 

Question: What is the SI unit of force?

 

a) Newton (N)

b) Joule (J)

c) Watt (W)

d) Kilogram (kg)

 

Answer: a) Newton (N)

 

Question: Which of the following is a scalar quantity?

 

a) Velocity

b) Force

c) Mass

d) Acceleration

 

Answer: c) Mass

 

Question: What is the formula for calculating acceleration?

 

a) a = \frac{v}{t}a=

t

v

 

 

b) a = \frac{t}{v}a=

v

t

 

 

c) a = \frac{\Delta v}{\Delta t}a=

Δt

Δv

 

 

d) a = \frac{\Delta t}{\Delta v}a=

Δv

Δt

 

 

 

Answer: c) a = \frac{\Delta v}{\Delta t}a=

Δt

Δv

 

 

 

Question: In a simple harmonic motion, what is the maximum displacement from equilibrium called?

 

a) Frequency

b) Amplitude

c) Period

d) Phase

 

Answer: b) Amplitude

 

Question: What is the law of conservation of energy?

 

a) Energy can be created but not destroyed

b) Total energy of an isolated system remains constant

c) Energy is directly proportional to mass

d) Energy is inversely proportional to velocity

 

Answer: b) Total energy of an isolated system remains constant

 

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

 

a) Magnetic force

b) Gravitational force

c) Frictional force

d) Electrostatic force

 

Answer: c) Frictional force

 

Question: What is the unit of electric current?

 

a) Ampere (A)

b) Volt (V)

c) Ohm (Ω)

d) Coulomb (C)

 

Answer: a) Ampere (A)

 

Question: What is the relationship between frequency (f) and wavelength (λ) in a wave?

 

a) f = \frac{1}{\lambda}f=

λ

1

 

 

b) f = \lambda^2f=λ

2

 

c) f = \frac{\lambda}{2}f=

2

λ

 

 

d) f = 2\lambdaf=2λ

 

Answer: a) f = \frac{1}{\lambda}f=

λ

1

 

 

 

Question: Which law states that the pressure of a given mass of gas is inversely proportional to its volume?

 

a) Boyle’s Law

b) Charles’s Law

c) Gay-Lussac’s Law

d) Archimedes’ Principle

 

Answer: a) Boyle’s Law

 

Question: What is the SI unit of power?

 

a) Watt (W)

b) Joule (J)

c) Newton (N)

d) Volt (V)

 

Answer: a) Watt (W)

 

Question: In the electromagnetic spectrum, which type of wave has the highest frequency?

 

a) Radio waves

b) Microwaves

c) X-rays

d) Infrared waves

 

Answer: c) X-rays

 

Question: What is the acceleration due to gravity on Earth’s surface?

 

a) 9.8 m/s²

b) 5.0 m/s²

c) 2.5 m/s²

d) 12.0 m/s²

 

Answer: a) 9.8 m/s²

 

Question: Which law of motion states that “for every action, there is an equal and opposite reaction”?

 

a) Newton’s First Law

b) Newton’s Second Law

c) Newton’s Third Law

d) Archimedes’ Principle

 

Answer: c) Newton’s Third Law

 

Question: What is the phenomenon of a change in the frequency of a wave in relation to an observer’s motion called?

 

a) Reflection

b) Diffraction

c) Doppler Effect

d) Refraction

 

Answer: c) Doppler Effect

 

Question: Which material is a good conductor of electricity?

 

a) Rubber

b) Wood

c) Copper

d) Glass

 

Answer: c) Copper

 

Question: What is the SI unit of resistance?

 

a) Ohm (Ω)

b) Ampere (A)

c) Volt (V)

d) Watt (W)

 

Answer: a) Ohm (Ω)

 

Question: In optics, what is the law that describes the bending of light as it passes from one medium to another?

 

a) Snell’s Law

b) Kepler’s Law

c) Hooke’s Law

d) Ohm’s Law

 

Answer: a) Snell’s Law

 

Question: Which of the following is a fundamental particle found in the nucleus of an atom?

 

a) Electron

b) Proton

c) Neutron

d) Photon

 

Answer: b) Proton

 

Question: What is the formula for calculating work done?

 

a) W = FdW=Fd

b) W = \frac{F}{d}W=

d

F

 

 

c) W = \frac{Fd}{2}W=

2

Fd

 

 

d) W = F + dW=F+d

 

Answer: a) W = FdW=Fd

 

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

 

a) The angle of reflection

b) Twice the angle of reflection

c) Half the angle of reflection

d) The sum of the angles of reflection

 

Answer: a) The angle of reflection