A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be

Physics
A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be

> P

P

2P

< P

> P

P

2P

< P

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Physics
Holography is a technique of

Recording a permanent three dimensional black and white photograph

Recording a permanent three dimensional photograph of a given single colour or a multicolour

Recording a permanent three dimensional multicolour photograph

Recording a permanent, sharp two diimensional black and white or multicolour photograph

Recording a permanent three dimensional black and white photograph

Recording a permanent three dimensional photograph of a given single colour or a multicolour

Recording a permanent three dimensional multicolour photograph

Recording a permanent, sharp two diimensional black and white or multicolour photograph

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Physics
According to special theory of relativity the mass of a particle

Decreases with increase in velocity.

Increases with increase in velocity with respect to an observer.

Decreases with decrease in velocity.

Is independent of its velocity.

Decreases with increase in velocity.

Increases with increase in velocity with respect to an observer.

Decreases with decrease in velocity.

Is independent of its velocity.

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Physics
Super cooling stands for cooling of a liquid :

At melting point

Above melting point

At freezing point

Below freezing point

At melting point

Above melting point

At freezing point

Below freezing point

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Physics
Flywheel is an important part of a steam engine because it :

Gives strength to the engine

Accelerates the speed of the engine

Decreases the moment of inertia

Helps the engine in keeping the speed uniform

Gives strength to the engine

Accelerates the speed of the engine

Decreases the moment of inertia

Helps the engine in keeping the speed uniform

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Physics
Photon is the fundamental unit/quantum of

Magnetism

Electricity

Light

Gravitation

Magnetism

Electricity

Light

Gravitation

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Physics

Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be

Physics Holography is a technique of

Physics According to special theory of relativity the mass of a particle

Physics Super cooling stands for cooling of a liquid :

Physics Flywheel is an important part of a steam engine because it :

Physics Photon is the fundamental unit/quantum of

Physics
A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be

Physics
Holography is a technique of

Physics
According to special theory of relativity the mass of a particle

Physics
Super cooling stands for cooling of a liquid :

Physics
Flywheel is an important part of a steam engine because it :

Physics
Photon is the fundamental unit/quantum of