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 1131:

  The energy associated with the photon of a radio transmission at 3 x 10⁵ Hz is

  [h = 6.63 x 10^-34Js]

  Options:
  A) 2.00 x 10^-28J
  B) 1.30 x 10^-28J
  C) 2.00 x 10^{- 29}J
  D) 1.30 x 10^-29J
  Show Answer
  The correct answer is A .
• Question 1132: A weightless vessel of dimensions 4m x 3m x 2m is filled with a liquid of density 1000kgm^-3 and sealed. What is the maximum pressure this container can exert on a flat surface? [g = 10ms^-2] Options:
  A) 9 x 10⁴NM^-2
  B) 4 x 10⁴NM^-2
  C) 3 x 10⁴NM^-2
  D) 2 x 10⁴NM^-2
  Show Answer
  The correct answer is D .
• Question 1133: The thermometric property of a constant volume thermometer is? Options:
  A) change in volume
  B) differential expanssion
  C) change in pressure
  D) change in length
  Show Answer
  The correct answer is C .
• Question 1134: 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 1135: Determine the inductive reactance when a 30.0mH inductor with a negligible resistance is connected to a 1.3 x 10³Hz oscillator. Options:
  A) 39.0$\mathrm{\Omega }$
  B) 122.5$\mathrm{\Omega }$
  C) 245.0$\mathrm{\Omega }$
  D) 39000.0$\mathrm{\Omega }$
  Show Answer
  The correct answer is C .
• Question 1136:

  Which of the following characteristics of a wave is used in the measurement of the depth of the Sea?

  Options:
  A) diffraction
  B) interference
  C) refraction
  D) reflection
  Show Answer
  The correct answer is D .
• Question 1137: The sound from a source travelled to the bottom of the sea and the echo was heard 4s later. If the speed of sound in sea water is 1500ms^-1 the depth of the sea is Options:
  A) 6000m
  B) 3000m
  C) 1500m
  D) 375m
  Show Answer
  The correct answer is B .
• Question 1138:

  A car moving at 20m/s with its horn blowing (f = 1200Hz) is chasing another car going at 15m/s. What is the apparent frequency of the horn as heard by the driver being chased?

  Options:
  A) 1.22KHz
  B) 2.40KHz
  C) 8.12KHz
  D) 1.22Hz
  Show Answer
  The correct answer is A .
• Question 1139: The equation P^xV^yT^z = constant in charles' law when Options:
  A) x = 1, y = -1, z = 1
  B) x = 0, y = 1, z = -1
  C) x = 1, y = 0, z = -1
  D) x = 0, y = 1, z = 1
  Show Answer
  The correct answer is B .
• Question 1140:

  Three resistors with resistance 200Ω, 500Ω and 1kΩ are connected in series. A 6v battery is connected to either end of the combination. Calculate the potential difference between the ends of 200Ω resistance.

  Options:
  A) 0.71V
  B) 0.7V
  C) 0.82V
  D) 0.8V
  Show Answer
  The correct answer is A .