Ultimate Science Knowledge Test

Question 1

What is the property of a liquid due to which its free surface tries to have minimum surface area?

Accepted Answer

Surface Tension

Answer

Viscosity

Answer

Buoyancy

Answer

Rigidity

Question 2

What is the wavelength range of ultraviolet rays?

Accepted Answer

Between 0.6 nm and 400 nm

Answer

Between 40 nm and 40000 nm

Answer

Between 60 nm and 4000 nm

Answer

Between 0.0006 nm and 400 nm

Question 3

What is a perfectly black body?

Accepted Answer

A body which absorbs all the radiations incident on it

Answer

A body which has zero coefficient of linear expansion

Answer

A body which has zero absorptive power

Answer

A body painted black on all sides

Question 4

What is the hemihydrate of calcium sulphate commonly known as?

Accepted Answer

Plaster of Paris

Answer

Gypsum

Answer

Chloroform

Answer

Limestone

Question 5

Bell metal is an alloy of which of the following metals?

Accepted Answer

Copper and Tin

Answer

Copper and Mercury

Answer

Copper and Lead

Answer

Copper and Zinc

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