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Physics Past Questions

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3601
An element and its isotope only differ in the number of
  • A. protons
  • B. electrons
  • C. ions
  • D. neutrons
View Answer & Discuss (5) JAMB 2017
3602

The S.I unit of moment of a force is

  • A. kgm
  • B. Nm
  • C. Jm
  • D. µm\(^{-1}\)
View Answer & Discuss (4) JAMB 2017
3603

Calculate the height of the image formed by a pinhole camera of length 12cm used to photograph an object 60cm away from the hole and 70cm high

  • A. 10 cm
  • B. 16 cm
  • C. 5 cm
  • D. 14 cm
View Answer & Discuss (8) JAMB 2017
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3604
When two objects P and Q are supplied with the same quantity of heat, the temperature change in P is observed to be twice that of Q. The mass of P is half that of Q. The ratio of the specific heat capacity pf P to Q is
  • A. 1:4
  • B. 4:1
  • C. 1:1
  • D. 2:1
View Answer & Discuss (8) JAMB 2017
3605
When the r.m.s value of a source of electricity supply is given as 240v, it means that the peak value of the supply is
  • A. 240v
  • B. 340v
  • C. 480v
  • D. 57600v
View Answer & Discuss (8) JAMB 2017
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