TyroCity

Physics XI Notes profile picture

Physics XI Notes

Physics XI Notes

Joined Joined on 
If a cork is released from the bottom of a jar filled with water, what will happen and why?

If a cork is released from the bottom of a jar filled with water, what will happen and why?

Comments
1 min read
A helium filled balloon rises to a certain height and then halts. Why?

A helium filled balloon rises to a certain height and then halts. Why?

Comments
1 min read
Reflection at curved mirrors- Old is Gold

Reflection at curved mirrors- Old is Gold

Comments
1 min read
why do we slip on a rainy day?

why do we slip on a rainy day?

Comments
1 min read
Differentiate between conservation of kinetic energy and conservation of linear momentum.

Differentiate between conservation of kinetic energy and conservation of linear momentum.

Comments
1 min read
3. Explain why a cricketer moves his hands backwards while catching ball?

3. Explain why a cricketer moves his hands backwards while catching ball?

Comments
1 min read
What are centre of buoyancy and metacentre?

What are centre of buoyancy and metacentre?

Comments
1 min read
A pendulum clock is taken to moon. Will it gain or lose time?

A pendulum clock is taken to moon. Will it gain or lose time?

Comments
1 min read
Suppose two forces act on rigid body and two forces have same magnitude but opposite direction. what conditions the body rotate?

Suppose two forces act on rigid body and two forces have same magnitude but opposite direction. what conditions the body rotate?

Comments
1 min read
Is friction a necessary evil? Explain.

Is friction a necessary evil? Explain.

Comments
1 min read
A solid tied at the end of a string is revolved in vertical. At what point the tension in the string will be the greatest?

A solid tied at the end of a string is revolved in vertical. At what point the tension in the string will be the greatest?

Comments
1 min read
Hygrometry- Old is Gold

Hygrometry- Old is Gold

1
Comments
1 min read
Viscosity-Old is Gold

Viscosity-Old is Gold

Comments
1 min read
Can a body be regarded in a state of rest as well as in motion at the same time? Give an example.

Can a body be regarded in a state of rest as well as in motion at the same time? Give an example.

Comments
1 min read
Why is the kinetic friction less than the limiting friction?

Why is the kinetic friction less than the limiting friction?

Comments
1 min read
When a bus takes a turn, passengers are thrown away from the centre of the curved path. Why?

When a bus takes a turn, passengers are thrown away from the centre of the curved path. Why?

Comments
1 min read
Explain why spokes are fitted in the cycle wheel.

Explain why spokes are fitted in the cycle wheel.

Comments
1 min read
A fan with blades takes longer time to come to rest than without the blades. Why?

A fan with blades takes longer time to come to rest than without the blades. Why?

Comments
1 min read
Explain why the moon has no atmosphere?

Explain why the moon has no atmosphere?

Comments
1 min read
Heat and Temperature- Old is Gold

Heat and Temperature- Old is Gold

Comments
1 min read
If the earth is struck by meteorites, the earth will slow down slightly. Why?

If the earth is struck by meteorites, the earth will slow down slightly. Why?

Comments
1 min read
The earth moving round the sun actes upon by a force, the work on earth by this force. Do you agree with this statement?

The earth moving round the sun actes upon by a force, the work on earth by this force. Do you agree with this statement?

Comments
1 min read
Refraction at plane surfaces- Old is Gold

Refraction at plane surfaces- Old is Gold

1
Comments
1 min read
2. If action and reaction are always equal and opposite, why don’t they always cancel each other?

2. If action and reaction are always equal and opposite, why don’t they always cancel each other?

Comments
1 min read
Lenses – Old is Gold

Lenses – Old is Gold

1
Comments
1 min read
A body is moving in a circular path with constant speed. Is this motion a simple harmonic?

A body is moving in a circular path with constant speed. Is this motion a simple harmonic?

Comments
1 min read
Kinematics-Old is Gold

Kinematics-Old is Gold

Comments
1 min read
Distinguish between conservative and non-conservative force.

Distinguish between conservative and non-conservative force.

Comments
1 min read
1. State Newton’s Second Law of Motion.

1. State Newton’s Second Law of Motion.

1
Comments
1 min read
Why is it difficult to run fast on sand?

Why is it difficult to run fast on sand?

Comments
1 min read
Explain why a cyclist bend while going along curved road?

Explain why a cyclist bend while going along curved road?

Comments
1 min read
Why an astronaut in a space capsule orbiting the earth experiences a feeling of weightlessness?

Why an astronaut in a space capsule orbiting the earth experiences a feeling of weightlessness?

Comments
1 min read
If the sun somehow collapsed to form a black hole, what effect would this event have on the orbit of the earth?

If the sun somehow collapsed to form a black hole, what effect would this event have on the orbit of the earth?

Comments
1 min read
Explain which one is more elastic- rubber or steel.

Explain which one is more elastic- rubber or steel.

Comments
1 min read
Why is the bottom of a ship made heavy?

Why is the bottom of a ship made heavy?

Comments
1 min read
Work

Work

1
Comments
1 min read
What do you understand by viscosity?

What do you understand by viscosity?

1
Comments
1 min read
Thermal Properties of Matter- Old is Gold

Thermal Properties of Matter- Old is Gold

1
Comments
1 min read
State the laws of flotation.

State the laws of flotation.

1
Comments
1 min read
Physics XI Questions

Physics XI Questions

Comments
10 min read
A dancer girl is rotating over a turntable with her arms outstretched. If she lowers her arms how does this affect her motion?

A dancer girl is rotating over a turntable with her arms outstretched. If she lowers her arms how does this affect her motion?

Comments
1 min read
Optical instruments- Old is Gold

Optical instruments- Old is Gold

Comments
1 min read
A man carrying a bucket of water on his hand always leans to the opposite side. Explain.

A man carrying a bucket of water on his hand always leans to the opposite side. Explain.

Comments
1 min read
Electrostatics- Old is Gold

Electrostatics- Old is Gold

Comments
1 min read
If a moving bullet striking a block of wood on a frictionless table embeds inside it what happens to the KE of the bullet?

If a moving bullet striking a block of wood on a frictionless table embeds inside it what happens to the KE of the bullet?

Comments
1 min read
A cork is floating in water. What is the apparent weight of the cork?

A cork is floating in water. What is the apparent weight of the cork?

Comments
1 min read
Why is it easy to pull a lawn roller than to push it?

Why is it easy to pull a lawn roller than to push it?

Comments
1 min read
Steel balls sink in water but they don’t sink in mercury. Why?

Steel balls sink in water but they don’t sink in mercury. Why?

Comments
1 min read
Why a wrench of longer arm is preferred in comparison to a wrench of short arm?

Why a wrench of longer arm is preferred in comparison to a wrench of short arm?

Comments
1 min read
Why does ice float in water?

Why does ice float in water?

1
Comments
1 min read
When a heavy truck collides with a car, the occupants of car are more likely to be hurt than the truck driver. Why?

When a heavy truck collides with a car, the occupants of car are more likely to be hurt than the truck driver. Why?

Comments
1 min read
Second Law of Thermodynamics- Old is Gold

Second Law of Thermodynamics- Old is Gold

Comments
1 min read
Explain how Newton’s first law of motion follows from the second law.

Explain how Newton’s first law of motion follows from the second law.

Comments
1 min read
Does a ship sink more in river water or in sea water? Explain.

Does a ship sink more in river water or in sea water? Explain.

Comments
1 min read
Surface Tension-Old is Gold

Surface Tension-Old is Gold

Comments
1 min read
Why are roads banked on curved path?

Why are roads banked on curved path?

Comments
1 min read
What is meant by the moment of a couple?

What is meant by the moment of a couple?

1
Comments
1 min read
Explain why a coin placed on a cardboard covering a glass falls into the glass when the cardboard is pulled to one side?

Explain why a coin placed on a cardboard covering a glass falls into the glass when the cardboard is pulled to one side?

Comments
1 min read
How will you make difference between density and specific gravity of a body?

How will you make difference between density and specific gravity of a body?

Comments
1 min read
What is the difference between centre of gravity and centre of mass of a system?

What is the difference between centre of gravity and centre of mass of a system?

1
Comments
1 min read
loading...