Physics XI Notes - TyroCity

Physics XI Notes for Physics Notes

Aug 18 '13

Units in different systems

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Physics XI Notes for Physics Notes

Aug 18 '13

NEB Model Question for Physics – Class 11

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4 min read

Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

Photometry- Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

What is meant by the moment of a couple?

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Physics XI Notes for Physics Notes

Aug 18 '13

State the laws of flotation.

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

What are centre of buoyancy and metacentre?

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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1 min read

Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

What are the drawbacks of simple pendulum?

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Physics XI Notes for Physics Notes

Aug 18 '13

How does K.E. of an object change if its momentum is doubled?

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1 min read

Physics XI Notes for Physics Notes

Aug 18 '13

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

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1 min read

Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

Why is it difficult to run fast on sand?

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Physics XI Notes for Physics Notes

Aug 18 '13

Why is easier to lift a body in a liquid than in air?

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

Second Law of Thermodynamics- Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

Why is Glycerine more viscous than water?

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Physics XI Notes for Physics Notes

Aug 18 '13

If a pendulum clock is taken to a mountain top, does it gain or lose time?

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1 min read

Physics XI Notes for Physics Notes

Aug 18 '13

How does ‘g’ at a point vary with distance from the centre of the earth? Where is the highest value of ‘g’? Explain.

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Physics XI Notes for Physics Notes

Aug 18 '13

Is it possible for a solid body to have no matter at it centre of gravity?

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Physics XI Notes for Physics Notes

Aug 18 '13

Explain why the moon has no atmosphere?

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Physics XI Notes for Physics Notes

Aug 18 '13

Explain why spokes are fitted in the cycle wheel.

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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1 min read

Physics XI Notes for Physics Notes

Aug 18 '13

What is meant by elastic and inelastic collision?

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Physics XI Notes for Physics Notes

Aug 18 '13

Surface Tension-Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

What is the counterpart of the mass and force in rotational motion?

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

What do you understand by viscosity?

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Physics XI Notes for Physics Notes

Aug 18 '13

Explain which one is more elastic- rubber or steel.

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

A rigid, lighter than air balloon filled with Helium cannot continue to rise indefinitely. Why?

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

Why is the kinetic friction less than the limiting friction?

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Physics XI Notes for Physics Notes

Aug 18 '13

Quantity of Heat- Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

Why is a cow more stable than a man?

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Physics XI Notes for Physics Notes

Aug 18 '13

The weight of a body is less inside the earth than on the surface. Explain.

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Physics XI Notes for Physics Notes

Aug 18 '13

Refraction at plane surfaces- Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

Why bridges are declared unsafe after a long use?

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Physics XI Notes for Physics Notes

Aug 18 '13

During pregnancy, woman often develop back pains from leaning backward while walking. Why do they have to walk this way?

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Physics XI Notes for Physics Notes

Aug 18 '13

How will you justify that stone is more rigid than iron?

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Physics XI Notes for Physics Notes

Aug 18 '13

Heat and Temperature- Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

Refraction through prisms- Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

First law of thermodynamics- Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

Physics XI Questions

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10 min read

Physics XI Notes for Physics Notes

Aug 18 '13

The leaves fall when a tree is shaken. Give reason.

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Physics XI Notes for Physics Notes

Aug 18 '13

Can a body be in equilibrium if it is in motion? Explain.

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Physics XI Notes for Physics Notes

Aug 18 '13

Reflection at curved mirrors- Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

Explain why a cyclist bend while going along curved road?

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Physics XI Notes for Physics Notes

Aug 18 '13

Electrostatics- Old is Gold

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1 min read