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 1321: A particle of weight 120N is placed on a plane inclined at 30⁰ to the horizontal. If the plane has an efficiency of 60% to the floor what is the force required to push the weight uniformly up the plane? Options:
  A) 50N
  B) 100N
  C) 175N
  D) 210N
  Show Answer
  The correct answer is B .
• Question 1322:

  

  The diagram shows lens arrangement in

  Options:
  A) A Compound Microscope
  B) astronomical telescope
  C) binocular
  D) periscope
  E) projection lantern
  Show Answer
  The correct answer is B .
• Question 1323: The image obtained on the screen of a pin-hole camera becomes less sharply defined when the Options:
  A) object is moved farther from the pin-hole
  B) screen is moved farther from the pin-hole
  C) object is made smaller
  D) illumination is made more intense
  E) pin-hole is made larger.
  Show Answer
  The correct answer is E .
• Question 1324: Which of the following properties of matter CANNOT be utilized for temperature measurement? The Options:
  A) length of a liquid column
  B) volume of a gas at constant pressure
  C) pressure of a gas at constant volume
  D) resistance of a metallic wire
  E) current produced in a photoelectric effect
  Show Answer
  The correct answer is E .
• Question 1325: The general gas law can be written as Options:
  A) PV ÷ T = a constant
  B) PV = a constant
  C) v/t = a constant
  D) p/T = a constant
  Show Answer
  The correct answer is A .
• Question 1326: In the diagram above, X and Y have resistances 6 and 4 ohms respectively, if the power dissipation in X is 10W then power dissipation in Y is Options:
  A) 2.4W
  B) 4
  C) 6.0W
  D) 6.7W
  E) 15.0W
  Show Answer
  The correct answer is D .
• Question 1327: A galvanometer of resistance 20$\mathrm{\Omega }$ is to be provided with a shunt that $\frac{1}{10}$ of the whole current in a circuit passes through the galvanometer. The resistance of the shunt is Options:
  A) 2.00$\mathrm{\Omega }$
  B) 2.22$\mathrm{\Omega }$
  C) 18.00$\mathrm{\Omega }$
  D) 18.22$\mathrm{\Omega }$
  Show Answer
  The correct answer is B .
• Question 1328: When a negatively charged rod is brought near the cap of a charged gold leaf electroscope which has positive charges, the leaf Options:
  A) Remains the same
  B) Collapses
  C) Collapses and diverges again
  D) Diverges
  Show Answer
  The correct answer is B .
• Question 1329: Radio waves emitted from an antenna are picked up by a radar after reflection from an aircraft in 4 x 10^-3S. How far is the aircraft from the antenna? [c = 3 x 10⁸ms^-1 ] Options:
  A) 6.0 x 10²ms^-1
  B) 1.2 x 10³km
  C) 3.0 x 10³km
  D) 6.0 x 10 ⁵km
  Show Answer
  The correct answer is D .
• Question 1330: Which type of radiation does not NOT originate within the nucleus? Options:
  A) alpha
  B) beta
  C) gamma
  D) neutron
  E) x-rays
  Show Answer
  The correct answer is E .