1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
BigorU [14]
3 years ago
11

The viewing screen in a double-slit experiment with monochromatic light. Fringe C is the central maximum. The fringe separation

is ?y.
Part A What will happen to the fringe spacing if the wavelength of the light is decreased?

a. Δy will decrease
b. Δy will increase
c. Δy will not change

Part B What will happen to the fringe spacing if the spacing between the slits is decreased?

a. Δy will decrease
b. Δy will increase
c. Δy will not change

Part C What will happen to the fringe spacing if the distance to the screen is decreased?

a. Δy will decrease
b. Δy will increase
c. Δy will not change

Part D Suppose the wavelength of the light is 460 nm . How much farther is it from the dot on the screen in the center of fringe E to the left slit than it is from the dot to the right slit?
Physics
1 answer:
makvit [3.9K]3 years ago
3 0

Answer:

<em>Part A</em><em>:</em>

a) If the wavelength of the light is decreased the fringe spacing Δy will decrease.

<em>Part B</em><em>:</em>

b) If the spacing between the slits is decreased the fringe spacing Δy will increase.

<em>Part C</em><em>:</em>

a) If the distance to the screen is decreased the fringe spacing will decrease.

<em>Part D</em><em>:</em>

The dot in the center of fringe E is 920\ x\ 10^{-9} m farther from the left slit than from the right slit.

Explanation:

In the double-slit experiment there is a clear contrast between the dark and bright fringes, that indicate destructive and constructive interference respectively, in the central peak and then is less so at either side.

The position of bright fringes in the screen where the pattern is formed can be calculated with

                      \vartriangle y =\frac{m \lambda L}{d}

                      m=0,\pm 1,\pm 2,\pm 3,.....

  1. m is the order number.
  2. \lambda is the wavelength of the monochromatic light.
  3. L is the distance between the screen and the two slits.
  4. d is the distance between the slits.
  • Part A:  a) In the above equation for the position of bright fringes we can see that if the wavelength of the light \lambda is decreased the overall effect will be that the fringes are going to be closer. That means that the fringe spacing Δy will decrease.
  • Part B:  b) In the above equation for the position of bright fringes we can see that if the spacing between the slits d is decreased the fringes are going to be wider apart. That means the fringe spacing Δy will increase.
  • Part C:  a) In the above equation we can see that if the distance to the screen L is decreased the fringes are going to be closer. That means the fringe spacing Δy will decrease.
  • Part D: We are told that the central maximum is the fringe C that corresponds with m=0. That means that fringe E corresponds with the order number m=2 if we consider it to be the second maximum at the rigth of the central one. To calculate how much farther from the left slit than from the right slit is a dot located at  the center of the fringe E in the screen we use the condition for constructive interference. That says that the  path length difference Δr between rays coming from the left and right slit must be \vartriangle r=m \lambda

        We simply replace the values in that equation :

                      \vartriangle r= m \lambda =2.\ 460\ nm

                      \vartriangle r= 920\ x\ 10^{-9} m

         The dot in the center of fringe E is 920\ x\ 10^{-9}m farther from the left slit than from the right slit.

     

       

       

     

You might be interested in
Given the diagram below determine the net force acting on the object
crimeas [40]

A) 0

because all of the forces cancel out, so it is not moving with balanced forces.

7 0
3 years ago
Read 2 more answers
Racing greyhounds are capable of rounding corners at very high speeds. A typical greyhound track has turns that are 45 m diamete
Readme [11.4K]

Answer:

In m/s^2:

a=11.3778 m/s^2

In units of g:

a=1.161 g

Explanation:

Since the racing greyhounds are capable of rounding corners at very high speed so we are going use the following formula of acceleration for circular paths.

a=\frac{v^2}{r}

where:

v is the speed

r is the radius

Now,

a=\frac{16^2}{45/2}\\ a=11.3778 m/s^2

In g units:

a=\frac{11.3778\ g}{9.8}\\ a=1.161\ g

7 0
3 years ago
The big bang theory of the information and expansion of the universe is supported by the observed
dusya [7]
By Hubble theory in which universe is expanding, 
6 0
3 years ago
A radio station's channel, such as 100.7 fm or 92.3 fm, is actually its frequency in megahertz (mhz), where 1mhz=106hz. calculat
lakkis [162]
When it comes to wave behavior, there are parameters called wavelength and frequency. These two are related by speed of the radiowave. Radiowaves are electromagnetic waves which travels as fast as light. The wavelength is the distance while frequency is the reciprocal of time. When you multiply them both, you get the electromagnetic wave's speed. The equation is c = wavelength*frequency, where c is the speed of light equal to 3 x 10^8 m/s. 

3 x10^8 m/s = wavelength/104.9 x 10^6 Hz   (Hertz is 1/s)
wavelength = 2.86 meters
6 0
3 years ago
What is the inverse of f ( x ) ? <br><br>f ( x ) = <img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7Bx%20-%206%7D" id="TexFormu
vladimir1956 [14]

The inverse of f(x) is (6x + 2)/x.

<h3>What is an inverse function?</h3>

The inverse function is defined as a function obtained by reversing the given function.

Given that f(x) = 2/(x-6)

To determine the inverse of a function, all you have to do is switch where x and y are and resolve for y.

So after switching x and y,

f(x) = y = 2/(x-6)

becomes

x = 2/(y - 6)

Now, we solve for y regularly.

f(x) = y = 2/(x-6)

Solve for y :

⇒ x(y - 6)  =2

⇒ xy - 6x = 2

⇒ y = (6x + 2)/x

Therefore the inverse of f(x) is (6x + 2)/x

Learn more about inverse function here:

brainly.com/question/2541698

#SPJ1

5 0
1 year ago
Other questions:
  • A radioactive sample has a count rate of 800 counts per minute. One hour later, the count rate has fallen to 100 counts per minu
    11·1 answer
  • What does this mean Atoms and elements are the basic back bone of the universe .
    8·1 answer
  • A solar charging system produces 14.5 volts on a sunny day the currents flows through the circuit at 43.5 ramps what is the resi
    7·1 answer
  • Where are a hurricanes fastest winds and heaviest rain found?
    8·1 answer
  • A rocket starts from rest and moves upward from the surface of the earth. For the first 10.0 s of its motion, the vertical accel
    5·2 answers
  • A 2 kg object traveling at 5 m s on a frictionless horizontal surface collides head-on with and sticks to a 3 kg object initiall
    5·1 answer
  • Why do you think silicon is used in electronic components
    14·2 answers
  • How does the mass of an object affect its acceleration?
    8·1 answer
  • Tell me the answer please
    11·2 answers
  • A closed curve encircles several conductors. The line integral around this curve is (image attached below)
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!