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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
81

Ice cubes are added to a glass of warm water. The glass and water are cooled by

  • A. conduction only
  • B. convection only
  • C. conduction and convection
  • D. convection and radiation
View Answer & Discuss (12) JAMB 2001
82
A ray of light strikes a plane mirror at an angle of incidence of 35°. If the mirror is rotated through 10°, through what angle is the reflected ray rotated?
  • A. 70°
  • B. 45°
  • C. 25°
  • D. 20°
View Answer & Discuss (13) JAMB 2001
83

The terrestrial telescope has one extra lens more than the astronomical telescope. The extra lens is for

  • A. improving the sharpness
  • B. creating an inverted image
  • C. magnification of the image
  • D. erection of the image
View Answer & Discuss (1) JAMB 2001
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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84
The driving mirror of a car has a radius of curvature of 1m. A vehicle behind the car is 4m from the mirror. Find the image distance behind the mirror.
  • A. 8/7
  • B. 4/9
  • C. 9/2
  • D. 4/7
View Answer & Discuss (11) JAMB 2001
85

The pressure of a given mass of a gas changes from 300Nm-2 to 120Nm-2 while the temperature drops from 127°C to -73°C. The ratio of the final volume to the initial volume is

  • A. 2 : 5
  • B. 5 : 4
  • C. 5 : 2
  • D. 4 : 5
View Answer & Discuss (8) JAMB 2001
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709