Practice free →
Home › CBSE Class 11 (Science) › Physics › Thermal Properties of Matter › What is the purpose of the silvered walls of a D…

What is the purpose of the silvered walls of a Dewar flask?

ATo conduct heat quickly
BTo reflect radiation back
CTo add strength to glass
DTo absorb heat inside
Answer & Solution
Correct answer: B. To reflect radiation back
Silver coating reflects the radiation from the contents back inside and reflects incoming radiation outside.
Solve this in the app — CBSE Class 11 (Science) practice & 24k+ MCQs →
Related questions