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Physics 2003 NECO Past Questions

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6
For which of the following sets are the units fundamental?
  • A. Area, length and volume
  • B. Impulse, mass and time
  • C. Length, time and mass
  • D. Velocity, distance and time
  • E. Volume, mass and density
View Answer & Discuss NECO 2003
7
How much heat is required to convert 50g of water at 100°C to steam at the same temperature? (Specific latent heat of vaporization of water = 2260 Jg-11)
  • A. 1.13 × 10-4J
  • B. 1.31 × 102J
  • C. 1.30 × 104J
  • D. 1.13 × 105J
  • E. 1.31 × 106J
View Answer & Discuss (2) NECO 2003
8
Which of the following radiations have the longest wavelength?
  • A. Gamma rays
  • B. Infra-red
  • C. Light waves
  • D. Radio waves
  • E. Ultra-violet rays
View Answer & Discuss NECO 2003
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9
Lines of force

I. Begin and end on equal and opposite electric charges.
II. are in state of tension which causes them to shorten
III. attract one another.

Which of the statement(s) is/are correct?
  • A. I only
  • B. II only
  • C. III only
  • D. I and II only
  • E. II and III only
View Answer & Discuss (3) NECO 2003
10

A wire of length 100cm and cross-sectional area 2.0 × 10-3cm2 has a resistance of 0.10 ω. Calculate its electrical conductivity.

  • A. 2.0 × 10-6 ω-1cm-1
  • B. 5.0 × 105 ω-1cm-1
  • C. 2.0 × 106 ω-1cm-1
  • D. 5.0 × 10-6 ω-1cm-1
  • E. 5.0 × 107 ω-1cm-1
View Answer & Discuss (10) NECO 2003
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