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Monday, 06 April 2026
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Physics Past Questions and Answers

Jamb Physics Questions

Question 1886:
Which of the following option is right if an object fall freely to the ground?
1. The total energy is Kinetic
2. The ratio of potential energy to kinetic energy is constant
3. The sum of potential and kinetic is constant
  • A 1 only
  • B 2 only
  • C 3 only
  • D 1 and 2 only
View Answer & Explanation
Question 1887:
The eyeball consists of a round tough white skin called
  • A Sclerotic
  • B Choroid coal
  • C Optical fiber
  • D Accommodation
View Answer & Explanation
Question 1888:
Which one of the following is a vector quantity?
  • A Temperature gradient
  • B Mass
  • C Work
  • D Time
View Answer & Explanation
Question 1889:
Efficiency of a transformer is equal to
  • A Efficiency of transformer = (secondary coil à· primary coil) à— 100%
  • B Efficiency of transformer = (mechanical advantage ÷ velocity ratio) × 100%
  • C Efficiency of a transformer = (Number of turns in the secondary coil à· Number of turns in the primary coil) à— 100%
  • D Efficiency of a transformer = (power developed in the secondary coil à· power supplied to the primary coil) à— 100%
View Answer & Explanation
Question 1890:
Volatile liquids usually
  • A Have high boiling points
  • B Have low boiling points
  • C Have high densities
  • D Have high melting points
View Answer & Explanation