Physics Exam Past Questions and Answers | JAMB, WAEC and NECO

Physics is the science that studies the nature and properties of matter and energy. It covers topics like motion, heat, light, sound, electricity, magnetism, and the structure of atoms.

• Question 801: Steam burn is more severe than that of boiling water because Options:
  A) steam burn is independent of relative humidity
  B) stem possesses greater heat energy per unit mass
  C) water boils at a higher temperature
  D) steam burn is dependent on relative humidity
  Show Answer
  The correct answer is B .
• Question 802: Which of the following pairs is NOT part of the electromagnetic spectrum? i. Radio waves. ii. Beta rays. iii. Gamma rays. iv. Alpha rays Options:
  A) i and ii
  B) iii and iv
  C) i and ii
  D) ii and iv
  Show Answer
  The correct answer is D .
• Question 803: Which of the following is stored by a dry Leclanche cell? Options:
  A) Electrical power
  B) Kinetic energy
  C) Electric current
  D) Chemical energy
  Show Answer
  The correct answer is D .
• Question 804: Which of the following statements is correct about light and sound waves? Both Options:
  A) are longitudinal waves
  B) are transverse waves
  C) have the same velocity in air
  D) need a medium for propagation
  E) transmit energy
  Show Answer
  The correct answer is E .
• Question 805: A trough 12.0cm deep is filled with water of refractive index $\frac{4}{3}$. By how much would a coin at the bottom of the trough appear to be displaced when viewed vertically from above the water surface? Options:
  A) 3.0cm
  B) 6.0cm
  C) 9.0cm
  D) 16.0cm
  Show Answer
  The correct answer is A .
• Question 806: The motion of smoke particles from a chimney is typical of? Options:
  A) random motion
  B) circular motion
  C) rotational motion
  D) oscillatory motion
  Show Answer
  The correct answer is A .
• Question 807: A ray of light is incident at an angle of 30^o on one top surface of a parallel-sided glass block of refractive index 1.5. The ray finally emerges from the lower surface. What is the angular deviation of the emergent ray? Options:
  A) 60^o
  B) 39^o
  C) 28^o
  D) 0^o
  Show Answer
  The correct answer is D .
• Question 808:
  

  In an experiment in which molten naphthaleneis allowed to cool, the cooling curve i n the figure was obtained. The temperature 80${}^o$C is known as the

  Options:
  A) cooling temperature
  B) boiling point
  C) melting point
  D) vaporization point
  Show Answer
  The correct answer is C .
• Question 809: The product PV where P is pressure and V is volume has the same unit as Options:
  A) force
  B) power
  C) energy
  D) accelaration
  Show Answer
  The correct answer is C .
• Question 810:

  

  The frequency of the wave in the diagram above is

  Options:
  A) 0.17 Hz
  B) 0.25 Hz
  C) 1.57 Hz
  D) 1.05 Hz
  Show Answer
  The correct answer is B .