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Physics JAMB Past Questions

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2156

The secondary pigments consist of?

  • A. blue, green, and violet
  • B. yellow, green, and magenta
  • C. magenta, yellow, and cyan
  • D. red, green, and blue
View Answer & Discuss (2) JAMB 2022
2157

A person standing waist-deep in a swimming pool appears to have short legs because of light?

  • A. diffraction
  • B. refraction
  • C. reflection
  • D. interference
View Answer & Discuss (1) JAMB 2022
2158

A tuning fork having a frequency of 312 Hz emits a wave which has a wavelength of 1.10 m. Calculate the velocity of sound

  • A. 312.0 ms\(^{-1}\)
  • B. 110.0 ms\(^{-1}\)
  • C. 343.2 ms\(^{-1}\)
  • D. 686.4 ms\(^{-1}\)
View Answer & Discuss (2) JAMB 2022
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2159

When the plate area of a capacitor increases?

  • A. the voltage can withstand increase
  • B. the capacitance decreases
  • C. the capacitance is unaffected
  • D. the capacitance increases
View Answer & Discuss (4) JAMB 2022
2160

A magnet relay is a device used for?

  • A. reading the magnitude of magnetic flux
  • B. controlling another circuit carrying larger current
  • C. turning in sports
  • D. storing magnetic field
View Answer & Discuss (1) JAMB 2022
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