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3 years ago

How did Millikan's oil drop experiment lead to quantum nature of electric charge?

Physics

1 answer:

ahrayia [7]3 years ago

5 0

Answer:

Millikan's oil drop experiment proved that electric charge is quantized.

At the time, there was still great debate whether electric charge was continuous or not.

Millikan believed that there was a smallest unit of charge, and he set out to prove it.

This was the big result of the oil drop experiment.

That he could also determine the charge of the electron was a secondary benefit.

This was probably one of the most significant experiments ever carried out.

Explanation:

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A very delicate sample is placed 0.150 cm from the objective lens of a microscope. The focal length of the objective is 0.140 cm

iVinArrow [24]

Answer:

m = 14*26 = 364

Explanation:

overall magnification is given as m

$m = m_{o}* m_{e}$

mo magnification of objective lens

me magnification of EYE lens

where mo is given as

$m_{o} = \frac{v_{o}}{-u _{0}}$

and me as

$m_{e} = 1+\frac{D}{f_{e}}$

d is distant of distinct vision = 25.0 cm for normal eye

fe = focal length of eye piece

focal length of objective lense is 0.140 cm

we know that

$\frac{1}{v_{0}}-\frac{1}{u_{0}}=\frac{1}{f_{0}}$

$\frac{1}{v_{0}} = \frac{1}{u_{0}} + \frac{1}{f_{0}}$

$\frac{1}{v_{0}} = \frac{1}{0.150} + \frac{1}{0.14}$

$\frac{1}{v_{o}} = 2.1 cm$

$m_{o} = \frac{2.1}{0.150} = 14$

$m_{e} = 1+\frac{25}{1}$

$m_{e} =26$

$m = m_{o}* m_{e}$

m = 14*26 = 364

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3 years ago

Is carbon a metal, nonmetal, or semi-metal

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Answer: Non metal.

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How much does the speed of a car increase if it accelerates

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Answer:

12.5 m/s

Explanation:

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A 544 g ball strikes a wall at 14.3 m/s and rebounds at 14.4 m/s. The ball is in contact with the wall for 0.042 s. What is the

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Answer:

$F = 371.738\,N$

Explanation:

Let assume that ball strikes a vertical wall in horizontal direction. The situation can be modelled by the appropriate use of the definition of Moment and Impulse Theorem, that is:

$(0.544\,kg)\cdot (14.3\,\frac{m}{s})-F\cdot \Delta t = -(0.544\,kg)\cdot (14.4\,\frac{m}{s} )$

$F\cdot \Delta t = 15.613\,\frac{kg}{m\cdot s}$

The average force acting on the ball during the collision is:

$F = \frac{15.613\,\frac{kg}{m\cdot s} }{0.042\,s}$

$F = 371.738\,N$

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How did Millikan's oil drop experiment lead to quantum nature of electric charge?​

How did Millikan's oil drop experiment lead to quantum nature of electric charge?