Which of the following statements about heat loss in a thermos flask is incorrect?

JAMB Physics 2023 296 views
Source: JAMB · 2023

Which of the following statements about heat loss in a thermos flask is incorrect?

  1. The vacuum between the inner and outer walls minimizes heat loss by conduction.
  2. The reflective coating on the inner walls minimizes heat loss by radiation.
  3. The tightly sealed lid minimizes heat loss by convection.
  4. The vacuum between the inner and outer walls prevents heat loss by radiation. ✓

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