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-BARSIC- [3]
3 years ago
11

As an admirer of Thomas Young, you perform a double-slit experiment in his honor. You set your slits 1.09 mm apart and position

your screen 3.27 m from the slits. Although Young had to struggle to achieve a monochromatic light beam of sufficient intensity, you simply turn on a laser with a wavelength of 637 nm.How far on the screen are the first bright fringe and the second dark fringe from the central bright fringe
Physics
1 answer:
kow [346]3 years ago
4 0

Answer:

pretty dark

Explanation:

i dont know

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A certain amount of Conductivity
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The filter reaches therminal velocity with zero paper clips (T or F)
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Answer:t

Explanation:

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3 years ago
You are standing on a train station platform as a train goes by close to you. As the train approaches, you hear the whistle soun
mojhsa [17]

Answer:

Kindly check explanation

Explanation:

Given the following :

As train approaches ; frequency, f1 = 94Hz

As train recedes; frequency, f2 = 71Hz

Speed of sound in air ; v = 340m/s

A) speed of sound source (speed of train) = vs

From doppler effect :

As the train recedes ;

f2 = fs [v / (v + vs)] - - - - (1)

As train approaches :

f1 = fs [v / (v - vs)] ----- (2)

To find vs equate (1) and (2)

fs [v / (v - vs)] = fs [v / (v + vs)]

f1/f2 = v / (v - vs) ÷ v / (v + vs)

f1 / f2 = v / (v - vs) × (v + vs) / v

f1 / f2 = (v + vs) / (v - vs)

Let f1 / f2 = f

f = (v + vs) / (v - vs)

f (v - vs) = v + vs

fv - fvs = v + vs

fv - v = vs + fvs

v(f - 1) = vs(1 + f)

v(f - 1) / (1 + f) = vs

B)

v(f - 1) / (1 + f) = vs

f = f1 / f2 = 94/71 = 1.32 Hz

340(1.324 - 1) / (1 + 1.324) = vs

vs = 340(0.324) / 2.324

vs = 110.16 / 2.324

vs = 47.40 m/s

C.) To calculate fs, frequency of train, substitute vs into our equation.

f2 = fs [v / (v + vs)]

Following our substitikn we obtain:

fs = (2f / (f + 1))f2

D)

fs = (2f / (f + 1))f2

fs = 2(1.324) / (1.324 +1)) × 71

fs = (2.648 / 2.324) × 71

fs = 1.1394148 × 71

fs = 80.898450

fs = 80.90 Hz

3 0
3 years ago
Name two things radio waves have in common with visible light
kondaur [170]
Radio waves and visible light, as we perceive it, are both part of the EM spectrum. The only difference between them in terms of our perception is that we don't have receptors to 'see' radio waves. That's where radio receivers come into the picture*, to convert radio waves into sound impulses that we can hear.
8 0
3 years ago
when earth and moon are separated by a distance of 3.84×10^8 meters, the magnitude of the gravitational force of attraction betw
sammy [17]

The gravitational force would be 8\cdot 10^{20} N

Explanation:

The magnitude of the gravitational force between two objects is given by

F=G\frac{m_1 m_2}{r^2}

where

G=6.67\cdot 10^{-11} m^3 kg^{-1}s^{-2} is the gravitational constant

m1, m2 are the masses of the two objects

r is the separation between them

In this case, we can write the gravitational force between the Moon and the Earth as:

F=G\frac{M m}{r^2}

where M is the Earth's mass and m is the Moon's mass.

We know that:

r=3.84\cdot 10^8 m is their separation

F=2.0 \cdot 10^{20}N is the force between them

So we can find:

GMm = Fr^2 = (2.0\cdot 10^{20})(3.84\cdot 10^8)^2=2.95\cdot 10^{37} Nm^2

Now, we are asked to find the gravitational force when the Earth and the Moon are separated by

r'=1.92\cdot 10^8 m

In this case the new force would be

F'=G\frac{M m}{r'^2}

And substituting the values of (GMm) found previously and r', we find

F'=\frac{2.95\cdot 10^{37}}{(1.92\cdot 10^8)^2}=8\cdot 10^{20} N

Learn more about gravitational force:

brainly.com/question/1724648

brainly.com/question/12785992

#LearnwithBrainly

6 0
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