EASY
NDA & NA EE
IMPORTANT
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A sample of metal weighs 210 g in air, 180 g in water and 120 g in an unknown liquid. Then, the density of metal is

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Important Questions on General Properties of Matter

EASY
NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 5 - General Properties of Matter>Practice Exercise>Q 21
A capillary tube of radius R is immersed in water and water rises in it to a height H. The mass of water in capillary tube is M. If the radius of the tube is double, then mass of water that will rise in capillary will be
EASY
NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 5 - General Properties of Matter>Practice Exercise>Q 22
A stone weighing 200 g weighs 150 g when immersed in water and 175 g when immersed in oil. The density of the oil is
EASY
NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 5 - General Properties of Matter>Practice Exercise>Q 23
An irregular shaped body has weight of 12 N in air and 8 N in water. What is its density, in kg m-3?
EASY
NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 5 - General Properties of Matter>Practice Exercise>Q 25
The following four wires are made of the same material. Which of these will have the largest extension, when the same tension is applied?
EASY
NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 5 - General Properties of Matter>Practice Exercise>Q 26
A weather forecasting meteorological balloon of volume 10 m3 contains hydrogen of density 0.09 kg m-3 and its fabric mass is 6.5 kg. If it is floating in air of density 1.25 kg m-3, then the mass of the equipment, it carries would be
EASY
NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 5 - General Properties of Matter>Practice Exercise>Q 27
The fraction of the total volume of an iceberg of density 0.93 gcm-3 floating in North Sea with density of 1.03 gcm-3 is
EASY
NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 5 - General Properties of Matter>Practice Exercise>Q 28
A stone weighing 750 g appears to weigh only 500 g when it is submerged in water of density 1 g cc-1. The volume of the stone is
EASY
NDA & NA EE
IMPORTANT
Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 5 - General Properties of Matter>Practice Exercise>Q 29
One thousand small water drops of equal size combine to form a big drop. The ratio of the final surface energy to the total initial surface energy is_____.