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 2281: The production of pure spectrum could easily be achieved using a? Options:
  A) glass prism with a pin
  B) triangular prism with two convex lens
  C) traingular prism only
  D) triangular prism with two concave lenses
  Show Answer
  The correct answer is B .
• Question 2282:

  

  The figure above represents a frictionless pulley system in which a weight W is in equilibrium with a weight of 40N. Find the value of W.

  Options:
  A) 13.3N
  B) 20.0N
  C) 40.0N
  D) 80.0N
  Show Answer
  The correct answer is C .
• Question 2283: A radioactive source emits X–rays of very short wavelength (10 ^-13m ) what is the frequently of these rays? Options:
  A) 2 × 10¹⁸HZ
  B) 3 × 10 ¹⁹HZ
  C) 3 × 10²¹HZ
  D) 3 × 10^-19HZ
  Show Answer
  The correct answer is C .
• Question 2284: A short response to time is obtained in liquid-in-glass thermometer when the Options:
  A) bulb is large and thick-walled
  B) stem is long and thin
  C) bulb is small and thicked-walled
  D) liquid is of high density and the bore is large
  E) bulb is thin-walled and the liquid is a good conductor of heat
  Show Answer
  The correct answer is E .
• Question 2285: Mr. F. Abioye observed his image though a plane mirror, kept a distance way from him at 4.7m in his room at what distance is the image found from Abioye eye? Options:
  A) 9.4m
  B) 7.5m
  C) 5.7m
  D) 6.9m
  Show Answer
  The correct answer is A .
• Question 2286:

  The temperature gradient across a copper rod of thickness 0.02m, maintained at two temperature junctions of 20º and 80ºC respectively is?

  Options:
  A) 3.0 x 10${}^2$km${}^{-1}$
  B) 3.0 x 10${}^3$km${}^{-1}$
  C) 5.0 x 10${}^3$km${}^{-1}$
  D) 3.0 x 10${}^4$km${}^{-1}$
  Show Answer
  The correct answer is B .
• Question 2287:

  Which of the following is not a consequence of hydrogen bubbles covering the copper plate of a primary cell?

  Options:
  A) formation of hydrogen bubbles on the electrode
  B) increase in the resistance of the cell
  C) local action
  D) polarization
  Show Answer
  The correct answer is C .
• Question 2288: Electrons were discovered by Options:
  A) James Chadwick B.
  B) J.J Thompson
  C) Sir Isaac Newton
  D) Charles Newton
  Show Answer
  The correct answer is B .
• Question 2289:

  The pin-hole camera produces a less sharply defined image when the

  Options:
  A) pin-hole is larger
  B) illumination is less
  C) screen is further from the pin-hole
  D) object is further from the pin-hole
  Show Answer
  The correct answer is A .
• Question 2290:

  Lamps in domestic lightings are usually in

  Options:
  A) series
  B) divergent
  C) convergent
  D) parallel
  Show Answer
  The correct answer is D .