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A waterproofing agent changes the angle of contact from

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Important Questions on General Properties of Matter

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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 16
If the density of water at 0°C,4°C and 100°C are denoted by X,Y and Z, then the correct sequence of the decreasing order of the values of density of water at the given temperature will be
MEDIUM
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 17
A block of wood floats in water with 34 part underwater. If it floats in another liquid with 910 part under it, then the relative density of this liquid 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 18
A body floats with one-third of its volume outside water and three-fourth of its volume outside in another liquid. The specific gravity of the liquid 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 19
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
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?
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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?