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 2031:

  The pin-hole camera produces a less sharply defined image when the

  Options:
  A) pin-hole is larger
  B) illumination is less
  C) screen is further from the pin-hole
  D) object is further from the pin-hole
  Show Answer
  The correct answer is A .
• Question 2032: Heat transfer by convection in a liquid is due to the Options:
  A) Latent heat of vaporization of the liquid
  B) Increased vibration of the molecules of the liquid about theit mean position
  C) Variation of density of the liquid
  D) Expansion of the liquid as it is heated
  Show Answer
  The correct answer is D .
• Question 2033:

  Which of the following media allow the transmission of sound waves through them?

  I. air

  II. liquid

  III. solids

   

  Options:
  A) I and II only
  B) I and III only
  C) II and III only
  D) I, II and III
  Show Answer
  The correct answer is D .
• Question 2034:

  

  Two mirrors M1 and M2 are inclined at right angles as shown above calculate the angle of reflection of the ray of light at M2

  Options:
  A) ${30}^{\circ }$
  B) ${45}^{\circ }$
  C) ${60}^{\circ }$
  D) ${90}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 2035:

  

  From the diagram above, if the potential difference across the resistor, capacitor and inductor are 80 v, 110 v, 40 v respectively, the effective potential difference is

  Options:
  A) 116.3 V
  B) 50.0 V
  C) 230.0 V
  D) 106.3 V
  Show Answer
  The correct answer is D .
• Question 2036:

  The motion of a body is simple harmonic if the?

  Options:
  A) acceleration is always directed towards a fixed point
  B) path of motion is a straight line
  C) acceleration is proportional to the square of the distance from a fixed point
  D) acceleration is constant and directed towards a fixed point
  Show Answer
  The correct answer is A .
• Question 2037: Calculate the light of the image formed by a pinhole camera of length 12cm used to photograph an object 60cm away from the hole and 70cm high Options:
  A) 10 cm
  B) 16 cm
  C) 5 cm
  D) 14 cm
  Show Answer
  The correct answer is D .
• Question 2038: The following types of waves are transverse EXCEPT Options:
  A) light waves
  B) radio waves
  C) sound waves
  D) surface waves on water
  E) X-rays
  Show Answer
  The correct answer is C .
• Question 2039: If the magnification of a virtual image formed by an object 10cm from a convex less is 3, then the focal length of the lens is Options:
  A) 10cm
  B) 20cm
  C) 25cm
  D) 15cm
  Show Answer
  The correct answer is D .
• Question 2040: A mango fruit drops from a branch 10m above the ground, just before hitting the ground its velocity is (g = 10ms^-2) Options:
  A) 10√2ms^-1
  B) 10ms^-1
  C) 100ms^-1
  D) 5√2ms^-1
  E) 200ms^-1
  Show Answer
  The correct answer is A .