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Question 21

The silvered surface in a vacuum flask reduces heat loos due to

  • A.conduction
  • B.convection
  • C.radiation
  • D.evaporation
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
2006
Question no.
#21
Type
Objective
Previous · Q20The sagging of overhead electrical cables is the consequence of Next · Q22 How long will it take to heat 3kg of water from 28 o C to 88 o C in an electric…

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