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 1841: Which of the following electromagnetic waves has the shortest wavelength? Options:
  A) Visible Light
  B) Ultraviolet rays
  C) Infrared rays
  D) Gamma rays
  Show Answer
  The correct answer is D .
• Question 1842:

  A certain manufacturer wishes to make an n-type semiconductor. Which materials would he select for doping?

  Options:
  A) boron and antimony
  B) aluminium and antimony
  C) aluminium and indium
  D) arsenic and antimony
  Show Answer
  The correct answer is D .
• Question 1843: A generator is on daily use and in the process, ten 60 W and five 40 W tungsten bulbs are on for the same time interval. the energy consumed daily is? Options:
  A) 0.96 kWh
  B) 19.2 kWh
  C) 9.60 kWh
  D) 19.20 kWh
  Show Answer
  The correct answer is B .
• Question 1844: What is X in the equation given below? 42He + 94Be → 126C + X Options:
  A) electron
  B) hydrogen
  C) lithium
  D) neutron
  E) proton
  Show Answer
  The correct answer is D .
• Question 1845:

  

  The diagram above shows a maximum and minimum thermometer divided into three portions P, Q and R. Which of the following is true about the respective content of P,Q and R

  Options:
  A) Alcohol, mercury and alcohol
  B) Air, alcohol and mercury
  C) Mercury, alcohol and mercury
  D) Air, mercury and alcohol
  Show Answer
  The correct answer is A .
• Question 1846:

  Which of the following is not a vector quantity?

  Options:
  A) momentum
  B) force
  C) temperature
  D) displacement
  Show Answer
  The correct answer is C .
• Question 1847: An object placed on the principle axis of a convex lens of focal length 10m produces a real image of double magnification. The image distance from the lens is Options:
  A) 30cm
  B) 25cm
  C) 20cm
  D) 15cm
  E) 10cm
  Show Answer
  The correct answer is A .
• Question 1848: Which of the following statements is CORRECT? Options:
  A) charges generated on glass rubbed with silk are called negative
  B) charges in various media can be carried by protons detached from their atom
  C) the magnitude of any charge is a multiple of the charge of an electron
  D) the intensity of an electric field is a scalar quantity
  E) if 500 joules of work are required to move a 2-coulomb charge between two points, the potential difference between the two point is 100V
  Show Answer
  The correct answer is C .
• Question 1849:

  

  In the figure above, what is the angle of reflection of the ray of light at mirror M?

  Options:
  A) ${90}^{\circ }$
  B) ${60}^{\circ }$
  C) ${45}^{\circ }$
  D) ${30}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1850: Which of the following statements is correct about light and sound waves? Both Options:
  A) are longitudinal waves
  B) are transverse waves
  C) have the same velocity in air
  D) need a medium for propagation
  E) transmit energy
  Show Answer
  The correct answer is E .