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Physics 2008 WAEC Past Questions

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21
The working principle of a pressure cooker is based on the
  • A. increase in the volume of steam inside it
  • B. complete trapping of heat inside it
  • C. increase in the pressure of the pot
  • D. decrease in the pressure of the pot
View Answer & Discuss WAEC 2008
22
It takes a shorter time for a liquid to boil at the top of a mountain than at the base because at the top, the
  • A. temperature is higher
  • B. pressure is lower
  • C. humidity is higher
  • D. temperature is constant
View Answer & Discuss (4) WAEC 2008
23
Light is considered as a transverse wave because it travels
  • A. through material without causing disturbance of the medium
  • B. through space with constant speed
  • C. in a direction parallel to the plane containing the electric and magnetic fields
  • D. in a direction perpendicular to the plane containing the electric and magnetic fields
View Answer & Discuss (1) WAEC 2008
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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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24
In the day time, it is possible to see under shady areas such as under a tree because light has undergone
  • A. internal reflection
  • B. refraction
  • C. diffraction
  • D. diffuse reflection
View Answer & Discuss (4) WAEC 2008
25
The distance between a concave mirror and an object placed in front of it is 1.0m. If the raduis of curvature of the mirror is 4.0m, the image formed will be
  • A. 2.00m behind the mirror
  • B. 2.00m in front of the mirror
  • C. 1.25m in front of the mirror
  • D. 1.25m behind the mirror
View Answer & Discuss (4) WAEC 2008
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208