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प्रश्न
Arrange the following substances in order of their increasing density:
Iron, Cork, Brass, Water, Mercury.
उत्तर
Cork, Water, Iron, Brass, Mercury.
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संबंधित प्रश्न
The density of a liquid decreases with increase in its temperature.
A given quantity of a liquid is heated. Which of the following quantity will vary and how?
(a) mass, (b) volume and (c) density
A balloon filled with hydrogen rises in air. Explain the reason.
The density of air is 1.28 g/Iitre. Express it in g cm-3
The density of air is 1.28 g/Iitre. Express it in kg m-3
The dimensions of a hall are 10 m × 7 m × 5 m. If the density of air is 1.11 kg m-3, find the mass of air in the hall.
State true or false. If false, correct the statement.
A substance which contains less number of molecules per unit volume is said to be denser.
A liquid having a mass of 250 g fills a space of 1000 cc. Find the density of the liquid.
A sphere of radius 1cm is made from silver. If the mass of the sphere is 33g, find the density of silver (Take π = 3.14).
Questions based on Higher Order Thinking Skills:
There are three spheres A, B, C as shown below. Sphere A and B are made of same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of A. Density of A is double that of C.
Now answer the following questions.
- Find the ratio of masses of spheres A and B.
- Find the ratio of volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
