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Tuesday, 17 March 2026
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Physics Past Questions and Answers

Jamb Physics Questions

Question 86:
A lens of focal length 15cm forms on erect image which is three times the size of the object. The distance between the object and the image is ___.
  • A 10cm
  • B 20cm
  • C 30cm
  • D 40cm
View Answer & Explanation
Question 87:
The photo cell works on the principle of the
  • A Voltaic cell
  • B Emission of electron by incident radiation
  • C Emission of protons by incident radiation
  • D Photographic plate
View Answer & Explanation
Question 88:
When a known standard resistor of 2.0 is connected to the 0.0cm end of a metre bridge, the balance point is found to be at 55.0cm
  • A 1.10Ω
  • B 1.64Ω
  • C 2.44Ω
  • D 27.50Ω
View Answer & Explanation
Question 89:
A resistor connected to a 12V battery draws a current of 2A. The energy dispatched in the resistor in 5 minutes is ___.
  • A 3,600J
  • B 6,000J
  • C 7,200J
  • D 14,400J
View Answer & Explanation
Question 90:
A solid weighs 45N and 15N respectively in air and water. Determine the relative density of the solid
  • A 0.33
  • B 0.50
  • C 1.50
  • D 3.00
View Answer & Explanation