The inside of a vacuum flask is usually coated with silve...
The inside of a vacuum flask is usually coated with silver to reduce heat loss by
condensation
conduction
convection
evaporation
radiation
Correct answer is E
No explanation has been provided for this answer.
A body accelerates uniformly from rest at the rate of 3 m/s2 for 8 seconds. Calculate the ...
The following devices use plane mirrors in their operations, except ...
I. Coherence II. Same frequency III. Same wavelength IV. Same Intensity Which of the condition...
Whenever light waves are restricted to a specific plane they are said to be ...