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 2661: A sealed flask contains 600cm³ of air at 27°C and is heated to 35°C at constant pressure. The new volume is? Options:
  A) 508 cm³
  B) 516 cm³
  C) 608 cm³
  D) 616 cm³
  Show Answer
  The correct answer is D .
• Question 2662:

  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 2663: At 4°c, the volume of a fixed mass of water is? Options:
  A) constant
  B) minimum
  C) maximum
  D) zero
  Show Answer
  The correct answer is B .
• Question 2664:

  If a sound wave goes from a cold air region to a hot air region, its wavelength will?

  Options:
  A) increase
  B) decrease
  C) decrease then increase
  D) remain constant
  Show Answer
  The correct answer is A .
• Question 2665: A particle moves in a circular orbit of radius 0.02m. If the speed of the particle is 0.88ms^-1, calculate its frequency in cycles per second Options:
  A) 2.0Hz
  B) 7.0Hz
  C) 8.8Hz
  D) 14.0Hz
  E) 17.6Hz
  Show Answer
  The correct answer is B .
• Question 2666:

  At what frequency would a capacitor of 2.5μF

  Used in radio circuit have a resistance of 250Ω

  Options:
  A) π/800 Hz
  B) 800/π Hz
  C) 200π Hz
  D) 2000π Hz
  Show Answer
  The correct answer is B .
• Question 2667:

  In a slide wire bridge, the balance is obtained at a point 25cm from one end of wire 1m long. The resistance to be tested is connected to that end and a standard resistance of 3.6$\mathrm{\Omega }$ is connected to the other end of the wire. Determine the value of the unknown resistance

  Options:
  A) 3.2$\mathrm{\Omega }$
  B) 1.4$\mathrm{\Omega }$
  C) 3.21$\mathrm{\Omega }$
  D) 1.2$\mathrm{\Omega }$
  Show Answer
  The correct answer is D .
• Question 2668: What happens to the rays in a parallel beam of light? Options:
  A) They diverge as they travel
  B) they intersect
  C) They converge as they travel
  D) They meet at infinity.
  Show Answer
  The correct answer is D .
• Question 2669: In a resonance tube experiment, if the fundamental frequency of the vibrating air column is 280Hz, the frequency of the third overtone is Options:
  A) 70Hz
  B) 840Hz
  C) 1120Hz
  D) 1960Hz
  Show Answer
  The correct answer is D .
• Question 2670:

  The mercury column in the barometer at notational atmospheric pressure has a height of?

  Options:
  A) 0.76 cm at see level
  B) 760 cm at sea level
  C) 7.6 cm at sea level
  D) 76 cm at sea level
  Show Answer
  The correct answer is D .