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1101

A progressive wave has a wavelength of 50cm. calculate the phase difference between two points at a distance of 20cm apart.

  • A. 10/3π
  • B. 5/2 π
  • C. 4/5 π
  • D. 2/3 π
  • E. π/3
View Answer & Discuss (9) WAEC 1997
1102

An alternating current with a peak value of 5A passes through a resistor of resistance 10Ω. Calculate the rate at which energy is dissipated in the resistor

  • A. 250W
  • B. 125W
  • C. 50W
  • D. 35.4W
  • E. 12.5W
View Answer & Discuss (6) WAEC 1997
1103
The invisible part of the spectrum of a white light consists of the following colors
  • A. Red, orange and yellow only
  • B. Infra-red, ultraviolet and blue only
  • C. Indigo and green only
  • D. Violet and red only
  • E. Ultra violet and infra-red only
View Answer & Discuss (1) WAEC 1997
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1104
Which of the following is not true of the similarities between a camera and the human eye?
  • A. Both the camera and the human eye have light proof interiors
  • B. Both the camera and the human eye have light sensitive screens
  • C. Inverted images are formed on the screen in both
  • D. The distance between the lens and the screen is fixed in both
  • E. The amount of light entering both the eye and the camera can be adjusted
View Answer & Discuss (1) WAEC 1997
1105

The magnification produced with a converging lens is 5. If the object is a square wire gauze of side 2cm, calculate the area of the image

  • A. 100\(cm^2\)
  • B. 40\(cm^2\)
  • C. 20\(cm^2\)
  • D. 10\(cm^2\)
  • E. 4\(cm^3\)
View Answer & Discuss (9) 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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