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 2511:

  Which of the following types of electromagnetic waves is used in night vision goggles?

  Options:
  A) Microwaves
  B) Ultraviolet waves
  C) Infrared waves
  D) Radio waves
  Show Answer
  The correct answer is C .
• Question 2512: A series RLC circuit is said to resonate, when Options:
  A) capacitive reactance is zero
  B) conductance is maximum
  C) current is minimum
  D) impedance is minimum
  E) inductive reactance is zero
  Show Answer
  The correct answer is D .
• Question 2513: Electric charges on the surface of a conductor would be most evenly distributed if the shape of the conductor is Options:
  A) conical
  B) cubical
  C) cylindrical
  D) parabolic
  E) spherical
  Show Answer
  The correct answer is C .
• Question 2514:

  Electrical appliances in homes are normally earthed so that

  Options:
  A) a person touching the appliances is safe from electric shock
  B) both the a.c. and d.c. sources can be used
  C) the appliances are maintained at a higher pd than the earth
  D) the appliances are maintained at a lower pd than the earth
  Show Answer
  The correct answer is A .
• Question 2515: The dimension of universal gravitational constant is……….? Options:
  A) ­$M{­}^{–1}{L}^3{T}^{–2}$
  B) ML³T²
  C) ML³
  D) MLT^-2
  Show Answer
  The correct answer is A .
• Question 2516: If the maximum voltage across a 100ohms resistor is 20V, then the maximum power it can dissipate is Options:
  A) 5.00W
  B) 4.00W
  C) 2.00W
  D) 25W
  Show Answer
  The correct answer is B .
• Question 2517: The terminal voltage of a battery is 4.0V when supplying a current of 2.0A, and 2.0V when supplying a current of 3.0A. The internal resistance of the battery is Options:
  A) 0.5 $\mathrm{\Omega }$
  B) 1.0$\mathrm{\Omega }$
  C) 2.0$\mathrm{\Omega }$
  D) 4.0$\mathrm{\Omega }$
  Show Answer
  The correct answer is C .
• Question 2518: Which statement is TRUE of a block of stone of mass m, with zero momentum? Options:
  A) The acceleration of the stone is non-uniform
  B) The stone is stationary
  C) The stone moves at a constant velocity
  D) The stone moves with maximum velocity
  E) The stone moves with minimum velocity.
  Show Answer
  The correct answer is B .
• Question 2519: A rectangular tank contains water to a depth of 2m, if the base is 4m x 3m, calculate the force on the base (Density of water = 10³kgm^-3, g = 10ms^-2) Options:
  A) 1.4 x 10²N
  B) 24 x 10⁴N
  C) 2.0 x 10⁴N
  D) 1.7 x 10³N
  Show Answer
  The correct answer is B .
• Question 2520: A stone is dropped from the top of a tower of height 11 .25m. Calculate the time it will take to reach the ground. [g = 10ms-2] Options:
  A) 1.00s
  B) 1.50s
  C) 2.25s
  D) 2.50s
  E) 3.00s
  Show Answer
  The correct answer is B .