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dusya [7]
2 years ago
14

In a double-slit experiment, the slits are illuminated by a monochromatic, coherent light source having a wavelength of 507 nm.

An interference pattern is observed on the screen. The distance between the screen and the double-slit is 1.32 m and the distance between the two slits is 0.112 mm. A light wave propogates from each slit to the screen. What is the path length difference between the distance traveled by the waves for the fifth-order maximum (bright fringe) on the screen
Physics
1 answer:
stira [4]2 years ago
5 0

Answer:

The path difference is 2.53 \times 10^{-6} m

Explanation:

Given:

Wavelength of light \lambda = 507 \times 10^{-9} m

Distance between slit and screen D = 1.32 m

Distance between two slit d = 0.112 \times 10^{-3} m

Order of interference n = 5

From the formula of interference of light,

   d\sin \theta = n\lambda

Where d \sin \theta = path difference, n = order of interference

Here we have to find path difference,

 Path difference = 5 \times 507 \times 10^{-9} m

 Path difference = 2.53 \times 10^{-6} m

Therefore, the path difference is 2.53 \times 10^{-6} m

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2 years ago
A 1150 kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 7.69 m before contacting the beam,
Natasha_Volkova [10]

Answer:

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Let's analyze the problem we are asked for the average force, during the crash, we can find this from the impulse-momentum equation, but this equation needs the speeds and times of the crash that we could look for by kinematics.

Let's start looking for the stack speeds, it has a free fall, from rest  (Vo=0)

             

           Vf² = Vo² - 2gY

            Vf² = 0 - 2 9.8 7.69 = 150.7

            Vf = 12.3 m / s

This is the speed that the battery likes when it touches the beam.  They also give us the distance it travels before stopping, let's calculate the time

         

            Vf = Vo - g t

             0 = Vo - g t

             t = Vo / g

             t = 12.3 / 9.8

             t = 1.26 s

This is the time to stop

Now let's use the equation that relates the impulse to the amount of movement

                 I = Δp

                F t = pf-po

The amount of final movement is zero because the system stops

                F = - po / t

                F = - mv / t

                F = - 1150 12.3 / 1.26

                F = -11226 N

This is the average force exerted by the stack on the vean

7 0
2 years ago
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B

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