WorksheetsPhysics Recapitulation
Total questions: 8
Worksheet time: 3mins
You have a sample of granite with density 2.8 g/cm3. The density of water is 1.0 g/cm3. What is the specific gravity of your granite?
2.8 cm/gm
2.9
2.8
2.9 cm/gm³
Tendency of molecules of the same kind to stick to one another is known as
Adhesion
Cohesion
Attraction
Rohan performed an experiment with the RD bottle. But his observations were not accurate. Why did that happen?
Because he didn't place the stopper in the correct manner.
He forgot to dry the bottle from outside before measuring.
He didn't wash the bottle with distilled water.
He didn't add brine water to the bottle before experimenting.
Frost forming on a leaf is an example of :
Deposition
Condensation
Sublimation
Freezing
Which of these is NOT a correct explanation for how convection works?
Hotter fluids rise above colder fluids.
Less dense fluids rise above denser fluids.
Colder fluids sink below hotter fluids.
Less dense fluids sink below denser fluids.
Refer to the picture of water sticking to a leaf; this is occurring because of:
High Surface tension
Low Surface Tension
Adhesion
Cohesion
Riya kept the spatula on the pan while cooking. It later became very hot. Why did that happen?
Because convection occured.
Evaporation was taking place.
Conduction took place.
Tendency of molecules of the same kind to stick to one another is known as
Adhesion
Cohesion
Attraction
