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 1451:

  

  In fig 6, a ray of light in air strikes a glass plate at an angle of incidence 60 degrees, the reflected ray is observed to be perpendicular to the refracted ray, what is the refractive index of the glass

  Options:
  A) 1.73
  B) 1.50
  C) 0.87
  D) 0.57
  Show Answer
  The correct answer is A .
• Question 1452: The atmospheric pressure due to water is 1.3 x 10⁶Nm^-2. What is the total pressure at the bottom of an ocean 10m deep? [Density of water = 1000kgm^-3, g = 10ms^-2] Options:
  A) 1.3 x 10⁷Nm^-2
  B) 1.4 x 10⁶Nm^-2
  C) 1.4 x 10⁵Nm^-2
  D) 1.0 x 10 ⁵Nm^-2
  Show Answer
  The correct answer is B .
• Question 1453:

  I. Density of the liquid.

  II. Acceleration due to gravity.

  III. Type of container of the liquid.

  IV. The constituents of the liquid.

  Which of the above conditions will NOT affect the pressure of fluid?

  Options:
  A) I and III only
  B) II and III only
  C) III and IV only
  D) I and II only
  Show Answer
  The correct answer is C .
• Question 1454: If the Nigeria flag (green, white, green) is viewed in pure yellow light, which of the following set of colours would be observed on the flag? Options:
  A) Green, yellow, green
  B) Red, yellow, red
  C) black, yellow, black
  D) Green, white, green
  Show Answer
  The correct answer is A .
• Question 1455:

  A 35 kΩ is connected in series with a resistance of 40 kΩ. What resistance R must be connected in parallel with the combination so that the equivalent resistance is equal to 25 kΩ?

  Options:
  A) 40 kΩ
  B) 37.5 kΩ
  C) 45.5 kΩ
  D) 30 kΩ
  Show Answer
  The correct answer is B .
• Question 1456:

  A rope is being used to pull a mass of 10kg vertically upward. Determine the tension in the rope if, starting from rest, the mass acquires a velocity of 4ms^-1 in 8s [g = 10ms^-2]

  Options:
  A) 5N
  B) 50N
  C) 95N
  D) 105N
  Show Answer
  The correct answer is C .
• Question 1457: Which of the following is the most suitable for use as an altimeter? Options:
  A) A mecury barometer
  B) A fortin barometer
  C) A mecury manometer
  D) An aneroid barometer
  Show Answer
  The correct answer is D .
• Question 1458: If u is the object distance and v the image distance, which of the following expressions gives the linear magnification produced by a convex lens of focal length f? Options:
  A) ^u/_f - f
  B) ^u/_v + f
  C) ^v/_f + 1
  D) ^v/_f - 1
  Show Answer
  The correct answer is D .
• Question 1459: A man exerts a pressure of 2.8 x 10³Nm^-2 on the ground and has 4 x 10^-2m² of his feet in contact with the ground. The weight of the man is Options:
  A) 102N
  B) 70N
  C) 140N
  D) 112N
  Show Answer
  The correct answer is D .
• Question 1460: Which type of radiation does not NOT originate within the nucleus? Options:
  A) alpha
  B) beta
  C) gamma
  D) neutron
  E) x-rays
  Show Answer
  The correct answer is E .