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1076
Which of the following explains why a thick glass cup cracks when boiling water is poured into it?
  • A. Unequal expansion of the exterior and interior walls of the cup
  • B. Anomalous expansion of the water
  • C. Greater specific latent capacity of water compared with that of glass
  • D. Large increase in the heat capacity of the cup
  • E. High density of the water
View Answer & Discuss WAEC 1997
1077

When white light is incident on a glass prism the spectrum produced on a screen placed beyond the prism is due to?

  • A. Diffraction
  • B. Reflection
  • C. Refraction
  • D. Polarisation
  • E. Interference
View Answer & Discuss (1) WAEC 1997
1078

At what distance from a simple microscope must an object be placed so that the image 5 times the size of the object is produced 20cm from the lens?

  • A. 2cm
  • B. 3.3cm
  • C. 4cm
  • D. 5cm
  • E. 15cm
View Answer & Discuss (3) WAEC 1997
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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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1079
Whenever light waves are restricted to a specific plane they are said to be
  • A. Diffracted
  • B. Refracted
  • C. Diffused
  • D. Regularly reflected
  • E. Plane polarized
View Answer & Discuss (2) WAEC 1997
1080
A solid material of volume 100\(cm^{-3}\) is heated through a temperature difference of 40°C. Calculate the increase in the volume of the material if its linear expansitivity is 2 x \(10^{-6}K{-1}\)
  • A. 2.4 x\(10^{-2}cm^{-3}\)
  • B. 1.6 x\(10^{-2}cm^{-3}\)
  • C. 8 x\(10^{-2}cm^{-3}\)
  • D. 5 x\(10^{-2}cm^{-3}\)
  • E. 4 x\(10^{-2}cm^{-3}\)
View Answer & Discuss (2) WAEC 1997
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts