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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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1691
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 ratio of the specific heat capacity of P to Q is
  • A. 1 : 4
  • B. 4 : 1
  • C. 1 : 1
  • D. 2 : 1
View Answer & Discuss (16) JAMB 1986
1692
Which of the following is true of sounds?
  • A. sound travels faster in air at 20oC than at 30oC
  • B. the frequency of a given sound wave changes when it crosses the boundary seperating two media
  • C. the wavelength of a given sound wave in air decreases as the temperature increases
  • D. sound waves cannot be reflected
View Answer & Discuss (15) JAMB 1986
1693

A lens of focal length 12.0cm forms an upright image three times the size of a real object. The distance between the object and the images is

  • A. 8.0cm
  • B. 16.0cm
  • C. 24.0cm
  • D. 32.0cm
View Answer & Discuss (16) JAMB 1986
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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1694
In which of the following arrangements is the wavelength in an increasing order?
  • A. Gamma rays, infra-red rays, x-rays, radiowaves
  • B. Gamma rays, x-rays, infra-red ray, radiowaves
  • C. Radiowaves, x-rays, gamma ray, infra-red rays
  • D. Infra-red rays, radiowaves, x-rays, gamma rays
View Answer & Discuss (2) JAMB 1986
1695
If the refractive index of glass is 1.5, what is the critical angle at the air-glass interface?
  • A. sin-1\(\frac{1}{2}\)
  • B. sin-1\(\frac{2}{3}\)
  • C. sin-1\(\frac{3}{4}\)
  • D. sin-1\(\frac{8}{9}\)
View Answer & Discuss (4) JAMB 1986
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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