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 1791:

  

  If current flows in the direction of the arrows in the solenoid above, the north pole is at

  Options:
  A) P
  B) Y
  C) X
  D) Q
  Show Answer
  The correct answer is D .
• Question 1792: The colours seen in the thin films of oil on the road and in soap bubbles are due to Options:
  A) reflection
  B) interference
  C) diffraction
  D) polarization
  Show Answer
  The correct answer is A .
• Question 1793: A platinum resistance thermometer wire has a resistance of 70hms at 0°Cand 7.5 Ohms at 100°C. Calculate the temperature of the wire when the resistance is 7.2 Ohms Options:
  A) 15°C
  B) 40°C
  C) 20°C
  D) 10°C
  Show Answer
  The correct answer is B .
• Question 1794: A heavy object is suspended from a string and lowered into water so that it is completely submerged. The object appears lighter because Options:
  A) the density of water is less than that of the object
  B) the pressure is low just below the water surface
  C) it experiences an upthrust
  D) the tension in the string neutralizes part of the weight
  Show Answer
  The correct answer is C .
• Question 1795: Which of these statements are TRUE of pressure in liquids? i. pressure acts equally in all direction. ii. pressure decreases with depth. iii. pressure at the same level of a liquid is the same. iv pressure is dependent on the cross-sectional area of the barometer tube Options:
  A) i, iii only
  B) i, ii, iii only
  C) i, iii, and iv only
  D) i, ii, iii and iv
  Show Answer
  The correct answer is A .
• Question 1796: The distance between two successive crests of a wave is 15cm and the velocity 300ms^-1. Calculate the frequency. Options:
  A) 2.0x10²Hz
  B) 4.5x10³Hz
  C) 2.0x10³Hz
  D) 4.5x10²Hz
  Show Answer
  The correct answer is C .
• Question 1797:

  Radio waves belongs to the class of ware whose velocity is about

  Options:
  A) 340m/s
  B) 3 × 10${}^6$ m/s
  C) 3 × 10${}^8$ m/s
  D) 3 × 10${}^{-8}$ m/s
  Show Answer
  The correct answer is C .
• Question 1798: A uniform solid cube material 10cm on each side of mass 700g is submerged in water. which of the following best described the behavior of the cube water? Options:
  A) the cube will melt after a period of time
  B) the cube will float
  C) the cube will sink in water
  D) the cube will rest at an equilibrium position in water
  Show Answer
  The correct answer is B .
• Question 1799: Which of the following instruments has a pure tone? Options:
  A) guitar
  B) vibrating strings
  C) tuning fork
  D) siren
  Show Answer
  The correct answer is C .
• Question 1800: Which of the following is the exclusive property of a transverse wave? Options:
  A) diffraction
  B) refraction
  C) compression
  D) polarization
  Show Answer
  The correct answer is D .