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 1191: The lack of power of accommodation which is mainly due to the hardening of the eye lens and is usual with onset of old age is called? Options:
  A) myopia
  B) hypermyopia
  C) presbyopia
  D) astigmatism
  E) eye ring
  Show Answer
  The correct answer is C .
• Question 1192: What is the cost of running seven 40 W lamps and five 80 W la mps for 12 hours of the electrical energy cost N7.00kWk? Options:
  A) N80.00
  B) N45.36
  C) N65.00
  D) N57.12
  Show Answer
  The correct answer is D .
• Question 1193: Which of the following types of motion are oscillatory? i.a diving board when used by a diver. ii. the motion of the balance wheel of a wrist watch. iii. the motion of the turn-table of a record player. iv. the motion of the center of a ten kobo piece as it rolls down an inclined plane. v. the motion of the needle of a D.C. ammeter into which a low A.C. current is passed Options:
  A) i and ii
  B) i, ii and iii
  C) ii, ii and iv
  D) i, ii and v
  E) iii, iv and iv
  Show Answer
  The correct answer is A .
• Question 1194:

  A 40 kW electric cable is used to transmit electricity through a resistor of resistance 2.0Ω at 800 V. The power loss as internal energy is?

  Options:
  A) 4.0 x 10²W
  B) 5.0 x 10²W
  C) 4.0 x 10³W
  D) 5.0 x 10³W
  Show Answer
  The correct answer is D .
• Question 1195:

  

  A simple pendulum of mass m moves along an arc pf a circle radius R in a vertical plane as shown above. What is the work done by gravity in a downward swing through the angle q to 0 degree

  Options:
  A) mgR sinθ
  B) MgR (1- cos θ)
  C) mgR
  D) mgR (1 - sinθ)
  Show Answer
  The correct answer is B .
• Question 1196:

  I. Total internal reflection of light.

  II. Conservation of light energy.

  III. Relative motion of the earth, sun and moon.

  IV. Rectilinear propation of light.

  Which of the above is a phenomenon of total solar eclipse?

  Options:
  A) I and IV only
  B) II and IV only
  C) I and III only
  D) III and IV only
  Show Answer
  The correct answer is D .
• Question 1197: When a box of mass 45kg, is given an initial speed of 5ms^-1 it slides along a horizontal floor a distance of 3m before coming to a rest. what is the coefficient of kinetic friction between the box and the floor? (G = 10ms^-2) Options:
  A) $\frac{5}{6}$
  B) $\frac{5}{12}$
  C) $\frac{1}{3}$
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is B .
• Question 1198:

  The earth's gravitational field intensity at its surface is about

  (G = 6.7 × 10${}^{-11}$Nm${}^2$/kg${}^2$, mass of the earth is 6 × 10${}^{24}$kg, radius of the earth is 6.4 × 10${}^6$m, g on the earth = 9.8m/s${}^2$)

  Options:
  A) 6.7N/kg
  B) 7.9N/kg
  C) 8.0N/kg
  D) 9.8N/kg
  Show Answer
  The correct answer is D .
• Question 1199: In a discharge tube, most of the gas is pumped out so that electricity is conducted at Options:
  A) low voltage
  B) steady voltage
  C) high pressure
  D) low pressure
  Show Answer
  The correct answer is D .
• Question 1200: In order to find the depth of the sea, a ship sends out a sound wave and receives an echo after one second. If the velocity of sound in water is 1500ms^-1, what is the depth of the sea? Options:
  A) 0.75km
  B) 1.50km
  C) 2.20km
  D) 3.00km
  E) 3.75km
  Show Answer
  The correct answer is A .