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 961: a ray of light which strikes a glass slab from air at normal incidence passes through the slab Options:
  A) undeviated and undisplaced at a lower speed
  B) deviated and undisplaced at a lower speed
  C) deviated and displaced at a lower speed
  D) undeviated and displaced at a faster speed
  Show Answer
  The correct answer is A .
• Question 962: Two capacitance of 6$\mu$F and 8$\mu$F are connected in series. What additional capacitance must be connected in series with this combination to give a total of 3$\mu$F Options:
  A) 3$\mu$F
  B) 16$\mu$F
  C) 24$\mu$F
  D) 30$\mu$F
  Show Answer
  The correct answer is C .
• Question 963: The relationship between L and the wavelength I of the stationary wave is Options:
  A) 2L = $\lambda$
  B) L = $\lambda$
  C) L = $\frac{\lambda }{3}$
  D) 4L = 3 $\lambda$
  Show Answer
  The correct answer is D .
• Question 964: A man wears convex lens glasses of focal length 40cm in order to correct his eye defect. instead of the optimum 25cm, his least distance of distinct vision is Options:
  A) 14cm
  B) 28cm
  C) 75cm
  D) 150cm
  Show Answer
  The correct answer is D .
• Question 965: Light of velocity 3 x 10⁸ms^-1 is incident on a material of reflective of index n. If the velocity of light is reduced to 2.4 x 10⁸ms^-1 in the material, what is n? Options:
  A) 2.33
  B) 2.25
  C) 1.33
  D) 1.25
  Show Answer
  The correct answer is D .
• Question 966: If relative density of a metal is 19, what will be the mass of 20cm³ of the metal when immersed in water? Options:
  A) 380g
  B) 400g
  C) 360g
  D) 39g
  E) 180g
  Show Answer
  The correct answer is A .
• Question 967:

  Which of the following is not correct about the molecules of a substance in a gaseous state. They?

  Options:
  A) are in a constant state of motion
  B) have different speeds
  C) have a temperature which is measured by the average kinetic energy
  D) The collision between the gases is perfectly inelastic
  Show Answer
  The correct answer is D .
• Question 968: When two mirrors are placed at an angle of 900 to each other, how many images will be formed when an object is placed in front of the mirrors Options:
  A) 5
  B) 4
  C) 3
  D) 2
  Show Answer
  The correct answer is C .
• Question 969:

  A body of mass 4 kg resting on a smooth horizontal plane is simultaneously acted upon by two perpendicular forces 6N and 8N. Calculate the acceleration of the motion.

  Options:
  A) 2.5 ms^-2
  B) 3.0 ms^-2
  C) 4.0 ms^-2
  D) 4.5 ms^-2
  Show Answer
  The correct answer is A .
• Question 970:

  If the time of flight is 96seconds, calculate the horizontal range through the point of projection.

  Options:
  A) 84400m
  B) 69000m
  C) 61440m
  D) 24000m
  Show Answer
  The correct answer is C .