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  9. Q20
Question 20

The inside of a vacuum flask is usually coated with silver to reduce heat lost by

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

Question details

Exam body
WAEC
Subject
Physics
Year
1996
Question no.
#20
Type
Objective
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