The silvered surface in a vacuum flask reduces heat loos ...
The silvered surface in a vacuum flask reduces heat loos due to
conduction
convection
radiation
evaporation
Correct answer is C
No explanation has been provided for this answer.
In a radioactive series \( ^{235} _{92}L \to ^{235} _{92}M \to ^{231} _{90}N \to ^{231} _{91}\phi...
Which of the following is an essential physical property of the wires used for making fuses? ...
Electricity is supplied to a school along a cable of total resistance 0.5Ω with the maximum curre...