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In a thermos flask, heat loss by radiation is minimizes by the

In a thermos flask, heat loss by radiation is minimizes by the
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Silvered surfaces
  • B Vacuum within the doubled walls
  • C Plastic stopper
  • D Cork support
Correct Answer: Option A
Explanation:

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