Past Questions and Answers

Physics Neco Past Questions And Answers (Objective and Theory)

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Physics Neco Past Questions And Answers (Objective and Theory)

Here they are;

Question 11:

What is the unit of electric charge?


A) Ampere-hour (Ah)

B) Coulomb (C)

C) Ohm (Ω)

D) Volt (V)

Answer: B) Coulomb (C)

Question 12:

Which of the following is a renewable source of energy?


A) Coal

B) Natural gas

C) Solar power

D) Nuclear power

Answer: C) Solar power

Question 13:

The force of gravity on an object is dependent on:


A) The mass of the object

B) The volume of the object

C) The shape of the object

D) The color of the object

Answer: A) The mass of the object

Question 14:

According to the first law of thermodynamics, energy in a system is:


A) Constant

B) Increasing

C) Decreasing

D) Inversely proportional to temperature

Answer: A) Constant

Question 15:

Which of the following statements is true about a convex lens?


A) It converges light rays

B) It diverges light rays

C) It has a negative focal length

D) It forms only virtual images

Answer: A) It converges light rays

Question 16:

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


A) To increase voltage

B) To decrease voltage

C) To convert AC to DC

D) To store electrical energy

Answer: A) To increase voltage

Question 17:

The process of a gas changing into a liquid is known as:


A) Sublimation

B) Evaporation

C) Condensation

D) Vaporization

Answer: C) Condensation

Question 18:

What is the relationship between the frequency (f) and wavelength (λ) of a wave in a given medium?


A) f = λ

B) f = 1/λ

C) f = λ^2

D) f = √λ

Answer: B) f = 1/λ

Question 19:

The unit of resistivity is:


A) Ohm (Ω)

B) Watt (W)

C) Ampere (A)

D) Ohm-meter (Ω·m)

Answer: D) Ohm-meter (Ω·m)

Question 20:

When a force is applied to an object in the direction of motion, and the object moves in the same direction as the force, the work done is:


A) Positive

B) Negative

C) Zero

D) Variable

Answer: A) Positive

Theory Section (Continued):

Theory Question 6:

Discuss the applications of electromagnetic induction in daily life and industry.


Theory Question 7:

Explain the concept of wave-particle duality in quantum mechanics and its significance.


Theory Question 8:

Describe the formation and characteristics of different types of electromagnetic waves in the electromagnetic spectrum.


Theory Question 9:

Discuss the principles of fluid mechanics, including Pascal’s Law and Archimedes’ Principle.


Theory Question 10:

Elaborate on the concept of gravitational potential energy and how it is related to kinetic energy.

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