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 2191: A regular spacing or arrangement of atoms in a crystalline material is called Options:
  A) Orbit
  B) Lattice
  C) Atomic structure
  D) Energy level
  Show Answer
  The correct answer is B .
• Question 2192:

  

  In which of the points labelled A, B, C, D and E on the conductor shown would electric charge tend to concentrate most

  Options:
  A) A
  B) B
  C) C
  D) E
  Show Answer
  The correct answer is D .
• Question 2193:

  A convex mirror is used as a driving mirror because
  i. its image is erect.
  ii. it has a large field of view.
  iii. it has a long focal length.

  Identify the CORRECT statement(s)

  Options:
  A) i andiii only
  B) i and ii only
  C) ii and iii only
  D) i, ii, and iii only
  E) i only
  Show Answer
  The correct answer is B .
• Question 2194: Which of the following is TRUE of a particle moving in a horizontal circle with constant angular velocity? Options:
  A) The energy is costant but the linear momentum varies
  B) The linear momentum is conatant but the energy varies
  C) both energy and linear momentum are constant
  D) The speed and the linear velocity are both constant
  Show Answer
  The correct answer is C .
• Question 2195:

  

  For what value of 6 are the forces in the diagram above in equilib4ruim

  Options:
  A) ${15}^{\circ }$
  B) ${30}^{\circ }$
  C) ${45}^{\circ }$
  D) ${60}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 2196: A real object is placed at a distance ucm in front of a curved mirror of focal length fcm. If the image is upright and magnified, then the mirror is Options:
  A) convex and u =2f
  B) concave and u = 2f
  C) convex and u = f
  D) concave and u = f
  Show Answer
  The correct answer is A .
• Question 2197: Equal masses of copper and rubber are raised to the same temperature. After sometimes, the copper was observed to be at a lower temperature because Options:
  A) the specific heat capacity of copper is lower than that of rubber
  B) copper expands more than rubber
  C) the specific heat capacity of rubber is lower than that of copper
  D) rubber expands more than copper
  Show Answer
  The correct answer is A .
• Question 2198:

  

  In the diagram given the hanging mass m₂ is adjusted until m₁ is on the verge of sliding. The coefficient of static

  Options:
  A) $\frac{m_1}{m_2}$
  B) $\frac{m_{1}g}{m_2}$
  C) $\frac{m_2}{m_1}$
  D) $\frac{m_{2}g}{m_1}$
  Show Answer
  The correct answer is C .
• Question 2199:

  Which of the following instruments consumes the highest current?

  I. Electric iron II. Television set III. Torch light IV. Immersion heater

  250v 220v 6v 110v

  1kW 110W 30W 500W

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is C .
• Question 2200:

  Ripple in a power supply unit is caused by

  Options:
  A) using an alternating current source
  B) forward voltage drop
  C) heavy load
  D) using a zener diode
  Show Answer
  The correct answer is D .