Materials for rain-proof coats and tents owe their water-...
Materials for rain-proof coats and tents owe their water-proof properties to
surface tension
viscosity
specific gravity
elasticity
Correct answer is A
No explanation has been provided for this answer.
Two 2.0Ω resistors can be combined circuit to give an overall resistance of ...
Viscosity in a liquid does not depend on the ...
Which of the following devices is used for storing electric charges? ...
A cell of emf 2 V has an internal resistance of 0.5 Ω. A current of 0.4 A passes through an ex...
In which of the following media would sound wave travel fastest? ...