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Physics 2018 JAMB Past Questions

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6

What is the resultant resistance of the circuit in the image shown?

 

  • A. 8Ω
  • B. 11Ω
  • C. 4Ω
  • D. 3.6Ω
View Answer & Discuss (12) JAMB 2018
7

Which of the following best describes the energy changes which take place when a steam engine drives a generator which lights a lamp?

  • A. heat ----> Light----> Sound ----> Kinetic
  • B. Kinetic ----> Light ----> Heat ----> Electricity
  • C. heat ----> Kinetic ----> Electricity ----> Heat and Light
  • D. electricity ----> Kinetic ----> Heat ----> Light
View Answer & Discuss (6) JAMB 2018
8

Cathode rays are

  • A. High-energy electromagnetic waves
  • B. protons
  • C. neutrons
  • D. streams of electrons
View Answer & Discuss (3) JAMB 2018
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9

A narrow beam of white light can be split up into different Colours by a glass prism. The correct explanation is that

  • A. white light Is an electromagnetic wave
  • B. the prism has all the colours of the white light
  • C. different colours of white light travel with different speeds in glass
  • D. white light has undergone total Internal reflection in the prism
View Answer & Discuss (4) JAMB 2018
10

The diagram shown represents a block-and-tackle pulley system on which an effort of W Newtons supports a load of 120.0N. If the efficiency of the machine is 40, then the value of W is?

  • A. 28.0
  • B. 48.0N
  • C. 233.0N
  • D. 50.0N
View Answer & Discuss (17) JAMB 2018
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