A vapour is said to be saturated when
A vapour is said to be saturated when A. a dynamic equilibrium exists between liquid molecules and the…
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Heat is radiated by hot objects in the form
Heat is radiated by hot objects in the form A. x-rays B. light energy C. infrared rays D.…
One special advantage of alcohol over mercury as a thermometric liquid is its
One special advantage of alcohol over mercury as a thermometric liquid is its A. low density B. low…
The density of a certain oil on frying becomes 0.4 kgm(^{-3}) with the volume of…
The density of a certain oil on frying becomes 0.4 kgm(^{-3}) with the volume of 20m(^{3}). what will…
A hydrometer is an instrument used in measuring
A hydrometer is an instrument used in measuring A. vapour pressure of a fluid B. density of liquid…
The accurate measurement of the relative density of a substance in its powdered form is…
The accurate measurement of the relative density of a substance in its powdered form is done with a…
In a hydraulic press, the pump piston exerts a pressure of 100 pa on the…
In a hydraulic press, the pump piston exerts a pressure of 100 pa on the liquid. what force…
If a wire 30 cm long is extended to 30.5 cm by a force of…
If a wire 30 cm long is extended to 30.5 cm by a force of 300 N. find…
A machine of velocity ratio 6 requires an effort of 400 N to raise a…
A machine of velocity ratio 6 requires an effort of 400 N to raise a load of 800…
The surfaces of conveyor belts are made rough so as to
The surfaces of conveyor belts are made rough so as to A. protect them while carrying loads B.…