Physics XI Notes - TyroCity

Physics XI Notes for Physics Notes

Aug 18 '13

Work

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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

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

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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

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

Explain why a man carrying a load on his back leans forward?

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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

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

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

What do you mean by geo-stationary satellite? Explain?

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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

Why is a cow more stable than a man?

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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

Units in different systems

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Physics XI Notes for Physics Notes

Aug 18 '13

Optical instruments- Old is Gold

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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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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

State the laws of flotation.

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Physics XI Notes for Physics Notes

Aug 18 '13

Why does ice float in water?

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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

Why bridges are declared unsafe after a long use?

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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

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

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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

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

Viscosity-Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

Dispersion- Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

Lenses – Old is Gold

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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

Refraction at plane surfaces- Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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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

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

Distinguish between conservative and non-conservative force.

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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

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

NEB Model Question for Physics – Class 11

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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

Is friction a necessary evil? Explain.

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Physics XI Notes for Physics Notes

Aug 18 '13

In a siphon, water is lifted above its level during flow from container to another, where does it needed potential energy from?

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Physics XI Notes for Physics Notes

Aug 18 '13

Kinematics-Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

What will happen to the value of ‘g’ if the earth stops rotating?

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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

Thermal Properties of Matter- Old is Gold

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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

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

Why is a horse more stable than a man?

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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 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

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

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

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

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Physics XI Notes for Physics Notes

Aug 18 '13

why do we slip on a rainy day?

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Physics XI Notes for Physics Notes

Aug 18 '13

On what factors does the time period of a simple pendulum depend?

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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

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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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

Heat and Temperature- Old is Gold

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Physics XI Notes for Physics Notes

Aug 18 '13

Why is the bottom of a ship made heavy?

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Physics XI Notes for Physics Notes

Aug 18 '13

Surface Tension-Old is Gold

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