Question : When a piece of stone is immersed in water, it displaces water of equal
Option 1: density
Option 2: specific gravity
Option 3: mass
Option 4: volume
Correct Answer: mass
Solution : The correct option is mass.
Archimedes' principle states that when a piece of stone is immersed in water, it displaces water of equivalent mass. According to this concept, every item immersed in a fluid feels an upward buoyant force proportional to the weight of the fluid displaced.
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Question : Water is not suitable as a calorimetric substance because it:
Option 1: has high specific heat
Option 2: is a good conductor
Option 3: has high boiling water
Option 4: low latent heat of vapourisation
Question : Surface water is a better source of drinking water because it is poor in
Option 1: Dust
Option 2: Bacteria
Option 3: Arsenic
Option 4: Algae
Question : Directions: In a certain code language, if sky is known as earth, earth is known as water, water is known as air, air is known as light, and light is known as sound, then what is it that humans breathe in?
Option 1: Air
Option 2: Earth
Option 3: Light
Option 4: Water
Question : Water cannot be used to extinguish fire caused by electric current, because:
Option 1: it may cause electrocution
Option 2: it may cause hydrolysis
Option 3: it may cause electrolysis
Option 4: it may spoil the wiring
Question : Kajari is a folk song and dance style of India. It is originated in __________.
Option 1: Punjab
Option 2: West Bengal
Option 3: Kerala
Option 4: Uttar Pradesh
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