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 561:

  

  E, F and G are yellow, red and cyan transparent light filters respectively. The color of a white opaque object when viewed through the arrangement of the filters above is

  Options:
  A) yellow
  B) red
  C) black
  D) blue
  Show Answer
  The correct answer is C .
• Question 562: Calculate the electric field intensity between two plates of potential difference 6.5V when separated by a distance of 35cm. Options:
  A) 18.57NC${}^{-1}$
  B) 53.06NC${}^{-1}$
  C) 2.28NC${}^{-1}$
  D) 0.80NC${}^{-1}$
  Show Answer
  The correct answer is A .
• Question 563: A motor boy of a driver saw what seem to appear to be a pool of water a head of him, while his driver’s drives a new truck on a funny day. Which of the following explains his observation? Options:
  A) He saw a flying objects
  B) He must be thinking of water and food
  C) He was seeing the shadow of the car
  D) The sun ray from the sky were passing from a hot air (layer) to cold layer
  Show Answer
  The correct answer is D .
• Question 564:

  A man on a bench will exert the greatest pressure on the bench when he

  Options:
  A) lies flat on his back
  B) lies flat on his belly
  C) stands on both feet
  D) stands on the toes of one foot
  Show Answer
  The correct answer is D .
• Question 565: The velocity ratio of an inclined plane where angle of inclination in θ is Options:
  A) Sinθ
  B) Cosθ
  C) Tanθ
  D) $\frac{1}{\sin \theta }$
  Show Answer
  The correct answer is D .
• Question 566:

  

  What is the total resistance in the above diagram

  Options:
  A) 5 ohms
  B) 15 ohms
  C) 25 ohms
  D) 35 ohms
  E) 45 ohms
  Show Answer
  The correct answer is C .
• Question 567:

  Two bodies have masses in the ratio3:1. They experience forces whichimpart to them,acceleration in the ratio 2:9 respectively. Find the ratio of forces the masses experienced

  Options:
  A) 1:4
  B) 2:1
  C) 2:3
  D) 2:5
  Show Answer
  The correct answer is C .
• Question 568: The dimension of universal gravitational constant is……….? Options:
  A) ­$M{­}^{–1}{L}^3{T}^{–2}$
  B) ML³T²
  C) ML³
  D) MLT^-2
  Show Answer
  The correct answer is A .
• Question 569:

  A piano wire 50 cm long has a total mass of 10 g and its stretched with a tension of 800 N. Find the frequency of the wire when it sounds its third overtone note.

  Options:
  A) 800 Hz
  B) 600 Hz
  C) 400 Hz
  D) 200 Hz
  Show Answer
  The correct answer is A .
• Question 570: A metal rod 800mm long is heated from 10^oC to 95^oC. If it expands by 1.36mm, the linear expansivity of the metal is Options:
  A) 2.0 x 10²K^-1
  B) 2.0 x 10²K^-1
  C) 5.0 x 10^-3K^-1
  D) 2.0 x 10^-5K^-1
  Show Answer
  The correct answer is D .