Question

The mode of heat transfer that can take place in vacuum is ______________. b) The focal length of a spherical mirror is ___________ of its radius of curvature.​

Answer 1

Answer:

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The mode of heat transfer that can take place in vacuum is Radiation

The focal length of a spherical mirror is half of its radius of curvature.

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Answer 2

Answer :- The mode of heat transfer that can take place in vacuum is Radiation.

b) The focal length of a spherical mirror is One-half of its radius of curvature.

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