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 1141: The bond between silicon and germanium is Options:
  A) dative
  B) covalent bond
  C) trivalent
  D) ionic
  Show Answer
  The correct answer is B .
• Question 1142: The electrochemical equivalent of a metal is 0.126 x 10^-6 kgC^-1. The mass of the metal that a current of 5A will deposit from a suitable bath in 1 hour is Options:
  A) 0.0378 x 10 ^-3kg
  B) 0.227 x 10 ^-3kg
  C) 0.378 x 10 ^-3kg
  D) 0.595 x 10 ^-3kg
  E) 2.268 x 10 ^-3kg
  Show Answer
  The correct answer is E .
• Question 1143:

  A man will exert the greatest pressurewhen he?

  Options:
  A) lies flat on his back
  B) lies on his belly
  C) stands on both feet
  D) stands on the toes of one foot
  Show Answer
  The correct answer is D .
• Question 1144:

  Which of the following is true of an electrical charge?

  Options:
  A) Positive charge means deficit electrons
  B) Negative charge means excess of electrons
  C) electric current means movement of electrons
  D) All of the above
  Show Answer
  The correct answer is D .
• Question 1145:

  One of the features of the fission process is that

  Options:
  A) it leads to chain reaction
  B) its products are not radioactive
  C) neutrons are not released
  D) the of the masses of the reactants equals the sum of the masses of the products
  Show Answer
  The correct answer is A .
• Question 1146:

  Which of the following statements regarding the application of electrical conduction via gases is/are correct?
  Electrical conduction in gas is applied in:
  (i) The identification of gases
  (ii) Lighting/fluorescent tubes
  (iii) Photocells
  (iv) Cathode ray oscilloscope/T.V. tubes

  Options:
  A) (i), (iii) and (iv) only
  B) (i), (ii) and (iv) only
  C) (ii), (iii) and (iv) only
  D) (i), (ii) and (iii) only
  Show Answer
  The correct answer is B .
• Question 1147:

  The limiting frictional force between two surface depends on

  I. the normal reaction between the surfaces

  II. the area of surface in contact

  III. the relative velocity between the surfaces

  IV. the nature of the surface

  Options:
  A) I only
  B) I and IV only
  C) II only
  D) III only
  Show Answer
  The correct answer is B .
• Question 1148: A metal of mass 0.5kg is heated to 100°C and then transferred to a well-lagged calorimeter of heat capacity 80JK^-1 containing water of heat capacity 420JK^-1 at 15°C. If the final steady temperature of the mixture is 25°C, find the specific heat capacity of the metal. Options:
  A) 877Jkg^-1K^-1
  B) 286Jkg^-1K^-1
  C) 133Jkg^-1K^-1
  D) 92Jkg^-1K^-1
  Show Answer
  The correct answer is C .
• Question 1149: The relationship between L and the wavelength I of the stationary wave is Options:
  A) 2L = $\lambda$
  B) L = $\lambda$
  C) L = $\frac{\lambda }{3}$
  D) 4L = 3 $\lambda$
  Show Answer
  The correct answer is D .
• Question 1150: Which of the following statements are true in the structure of atoms? Options:
  A) the atoms of the differnt element differ only in the number of protons and electrons
  B) the num,ber of protons equals the number of electrons
  C) atoms are constructed according to the plan of our solar system
  D) all of the above
  E) A and C only
  Show Answer
  The correct answer is B .