3 years ago

A trip is taken that passes through the following points in order

Physics

1 answer:

MaRussiya [10]3 years ago

3 0

Answer:

40.0 m

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Describe what causes the flow of electric current.

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In a thin film experiment, a wedge of air is used between two glass plates. If the wavelength of the incident light in air is 48

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Answer:

The thickness is $\Delta y = 2.4 *10^{-6} \ m$

Explanation:

From the question we are told that

The wavelength is $\lambda = 480 \ nm = 480*10^{-9} \ m$

The first order of the dark fringe is $m_1 = 16$

The second order of dark fringe considered is $m_2 = 6$

Generally the condition for destructive interference is mathematically represented as

$y = \frac{m \lambda}{2}$

Here y is the path difference between the central maxima(i.e the origin) and any dark fringe

So the path difference between the 16th dark fringe and the 6th dark fringe is mathematically represented as

$y_1 - y_2 = \Delta y = \frac{m_1 \lambda}{2} - \frac{m_2 \lambda}{2}$

=> $y_1 - y_2 = \Delta y = \frac{16 *480*10^{-9}}{2} - \frac{6 *480*10^{-9}}{2}$

=> $y_1 - y_2 = \Delta y = 5 (480*10^{-9})$

=> $\Delta y = 2.4 *10^{-6} \ m$

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3 years ago

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a car moving with a speed of 10 metre per second is accelerator at the rate of 2 metre per second square find its velocity after

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a = ( v(2) - v(1) ) ÷ ( t(2) - t(1) )

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2 × 6 = v(2) - 10

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