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SVETLANKA909090 [29]

3 years ago

6

Give two differences between mass and weight

1 answer:

timurjin [86]3 years ago

3 0

Answer: 1) Mass is a scalar quantity while weight is a vector quantity

2) Mass is measured in Gramma and kilogram while weight is measured in Newton.

Explanation:

Mass can be defined as the amount of matter that comprises an object. It is a scalar quantity, that is, it has magnitude. It is measured in kilogram with its unit in Kg. Mass is measured using an ordinary weighing scale.

Weight can be defined as the force acted upon an object due to gravity. Weight is a vector quantity, that is, it has both magnitude and direction towards the center of the earth. Weight can be measured with the use of a spring balance. Its unit is in Newton.

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We have given that intensity of light incident on the sheet $I_0=0.970W/m^2$

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Intensity of light polarizing from sheet is equal to $I=I_0cos^2\Theta$

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$cos\Theta =0.893$

$\Theta =26.74^{\circ}$

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