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class 11
Solutions for all the questions from class 11
CLASS
class 10
class 11
class 12
class 6
class 7
class 8
class 9
SUBJECT
biology
chemistry
math
maths
physics
science
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
A particle of mass
m
attached to an inextensible light string is moving in a vertical circle of radius
r
. The critical velocity at the highest point is
v
o
to complete the vertical circle. The tension in the string when it becomes horizontal is
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Surface tension of a liquid is due to:
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Surface tension is due to
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
A man is sitting in a boat which is floating in a pond. If the man drinks some water from the pond, water level in the pond decreases.
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Assertion :Tiny drops of liquid resist deforming forces better than bigger drops
Reason :Excess pressure inside a drop is directly proportional to surface tension.
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Pieces of camphor placed on water move about rapidly. This is because of
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Name the force responsible for surface tension.
Class 11
Chemistry
Gases & Solutions
States of Matter
If a mosquito is dipped into water and released, it is not able to fly till it is dry again. Explain.
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
(A) The surface tension may be assumed to be a result of force between dipoles which oppose penetration of the liquid.
(B) The surface tension is a result of cohesive force which is mechanical, not electrical.
Class 11
Chemistry
Gases & Solutions
States of Matter
Assertion :Droplets of liquid are usually more spherical in shape than large drops of the same liquid.
Reason :Force of surface tension predominates the force of gravity in case of small drops.
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class 11
Solutions for all the questions from class 11
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CLASS
class 10
class 11
class 12
class 6
class 7
class 8
class 9
SUBJECT
biology
chemistry
math
maths
physics
science
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
A particle of mass
m
attached to an inextensible light string is moving in a vertical circle of radius
r
. The critical velocity at the highest point is
v
o
to complete the vertical circle. The tension in the string when it becomes horizontal is
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Surface tension of a liquid is due to:
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Surface tension is due to
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
A man is sitting in a boat which is floating in a pond. If the man drinks some water from the pond, water level in the pond decreases.
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Assertion :Tiny drops of liquid resist deforming forces better than bigger drops
Reason :Excess pressure inside a drop is directly proportional to surface tension.
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Pieces of camphor placed on water move about rapidly. This is because of
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Name the force responsible for surface tension.
Class 11
Chemistry
Gases & Solutions
States of Matter
If a mosquito is dipped into water and released, it is not able to fly till it is dry again. Explain.
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
(A) The surface tension may be assumed to be a result of force between dipoles which oppose penetration of the liquid.
(B) The surface tension is a result of cohesive force which is mechanical, not electrical.
Class 11
Chemistry
Gases & Solutions
States of Matter
Assertion :Droplets of liquid are usually more spherical in shape than large drops of the same liquid.
Reason :Force of surface tension predominates the force of gravity in case of small drops.
1
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6
7
8
9
10
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