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 1151: In fleming's right-hand rule, the thumb, the forefinger and the middle finger if held mutually at right angles represent respectively, the Options:
  A) motion, the field and the induced current
  B) induced current, the motion and the field
  C) field, the induced current and the motion
  D) induced current, the field and the motion
  Show Answer
  The correct answer is A .
• Question 1152: Which of the following is a scalar quantity? Options:
  A) Tension
  B) Weight
  C) Impulse
  D) Mass
  Show Answer
  The correct answer is D .
• Question 1153: 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 1154: The pair of physical quantities that are scalar only are ? Options:
  A) volume and area
  B) moment and momentum
  C) length and displacement
  D) Impulse and time
  Show Answer
  The correct answer is A .
• Question 1155:

  

  A body of mass 10kg on a smooth inclined plane is connected to a smooth pulley to a mass of 15kg as shown above, the acceleration of the system is

  Options:
  A) 1/4g
  B) 8/25g
  C) 1/2g
  D) 2/5g
  E) 3/4g
  Show Answer
  The correct answer is D .
• Question 1156:

  

  In the circuit above, the ammeter reads a current of 5.0 A when R = 8Ω and reads 7.0A when R = 5Ω. The value of the unknown resistance X is

  Options:
  A) 10.0Ω
  B) 7.5Ω
  C) 5.0Ω
  D) 2.5Ω
  Show Answer
  The correct answer is D .
• Question 1157:

  Which of the following is NOT an example of elementary modern physics?

  Options:
  A) Classical mechanics
  B) Quantum mechanics
  C) Special relativity
  D) Nuclear physics
  Show Answer
  The correct answer is A .
• Question 1158: A force of 500N¹ is applied to a steel wire of cross-sectional area 0.2m², The tensile stress is Options:
  A) 2.5x10⁴Nm^-2
  B) 1.0x10²Nm^-2
  C) 1.0x10³Nm^-2
  D) 2.5x10³Nm^-2
  Show Answer
  The correct answer is D .
• Question 1159: An equipment whose power is 1500W and resistance is 375 ohms would draw a current of Options:
  A) 0.10A
  B) 2.00A
  C) 4.00A
  D) 77.5A
  Show Answer
  The correct answer is B .
• Question 1160:

  

  In the diagram above, a 200 W bulb is lighted by a 240 V a.c mains supply. If 1kwh is sold at ₦40, the cost of keeping the bulb lighted for a day is

  Options:
  A) ₦1,920.00
  B) ₦192.00
  C) ₦19.20
  D) ₦1.92
  Show Answer
  The correct answer is B .