Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be

Physics
Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be

3P

P/3

2p/ 3

P

3P

P/3

2p/ 3

P

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Physics
Optical fibres are based on the phenomenon of

Diffraction

Interference

Total Internal Reflection

Dispersion

Diffraction

Interference

Total Internal Reflection

Dispersion

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Physics
Person who is colourblind cannot distinguish between

Black and yellow

Green and blue

Red and green

Yellow and white

Black and yellow

Green and blue

Red and green

Yellow and white

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Physics
Specific gravity is defined as the ratio of

Density of the substance to the density of water at 0°C

Density of water at 4°C to the density of the substance

Density of the substance to the density of water

Density of the substance to the density of water at 4°C

Density of the substance to the density of water at 0°C

Density of water at 4°C to the density of the substance

Density of the substance to the density of water

Density of the substance to the density of water at 4°C

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Physics
Which type of radiation has the lowest penetrating ability?

Alpha

All of these

Beta

Gamma

Alpha

All of these

Beta

Gamma

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Physics
When a steel ball is placed on the surface of mercury, it does not sink because

The density of mercury is greater than that of steel

Of the high viscosity of mercury

Of the surface tension of mercury

Mercury is a semisolid

The density of mercury is greater than that of steel

Of the high viscosity of mercury

Of the surface tension of mercury

Mercury is a semisolid

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Physics

Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be

Physics Optical fibres are based on the phenomenon of

Physics Person who is colourblind cannot distinguish between

Physics Specific gravity is defined as the ratio of

Physics Which type of radiation has the lowest penetrating ability?

Physics When a steel ball is placed on the surface of mercury, it does not sink because

Physics
Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be

Physics
Optical fibres are based on the phenomenon of

Physics
Person who is colourblind cannot distinguish between

Physics
Specific gravity is defined as the ratio of

Physics
Which type of radiation has the lowest penetrating ability?

Physics
When a steel ball is placed on the surface of mercury, it does not sink because