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Zina [86]
2 years ago
11

A double slit produces a diffraction pattern that is a combination of single- and double-slit interference. Find the ratio of th

e width of the slits to the separation between them, if the first minimum of the single-slit pattern falls on the fifth maximum of the double-slit pattern.
Physics
2 answers:
mr Goodwill [35]2 years ago
8 0

Answer: the position of the 1st minima of diffraction = position of the fifth maximum of double slit

finding the ratio

a/d

λ×L/a = 5×λ×L/d

a/d = 0.2

Explanation:

when the light passes through the double slit in such a way that the interference fringes appear ion the wide maxima pattern of diffraction light.If the interference maxima fringe overlaps on the 1st minima of diffraction interference will disappear.

larisa86 [58]2 years ago
6 0

Answer:

The ratio of the width of the slits to the separation between them is 1:5

Explanation:

Given that:

Specific minimum for single slit = m₁ =1

Specific maximum of double slit = m₂ = 5

Formula for single slit differential minimum

W\,sin\,\theta=m\lambda

here W is slit thickness, m is minimum order. For given case m=1

W\,sin\,\theta=\lambda--(1)

Formula for double slit differential maxima:

dsin\theta=m\lambda

d is separation between slits, m is order for constructive interference i.e m =5.

dsin\theta=5\lambda--(2)

λ is the wave length of light.

We have to find the ratio of the width of the slits to the separation between them, if the first minimum of the single-slit pattern falls on the fifth maximum of the double-slit pattern.

So dividing (1) by (2)

\frac{W\,sin\,\theta}{d\,sin\,\theta}=\frac{\lambda}{5\lambda}\\\\\frac{W}{d}=\frac{1}{5}

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Answer:

B) 2.7 g of aluminium has a volume of 1 cm^3

Explanation:

Density can be defined as mass all over the volume of an object.

Simply stated, density is mass per unit volume of an object.

Mathematically, density is given by the equation;

Density = \frac{mass}{volume}

If the density of aluminum is 2.7 g/cm³, it simply means that 2.7 g of aluminium has a volume of 1 cm³

Check:

Given the following data;

Mass = 2.7 grams

Volume = 1 cm³

Substituting into the formula, we have;

Density = \frac{2.7}{1}

Density = 2.7 g/cm³

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2 years ago
Tính lực tương tác giữa 2 điện tích q1=4.10^-6C và q2=-3.10^-6C cách nhau một 3cm đặt trong dầu hoả = 2
olga2289 [7]

Explanation:

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4 0
2 years ago
BI
Charra [1.4K]

Answer: A

Explanation:

8 0
3 years ago
You and a friend each hold a lump of wet clay. Each lump has a mass of 30 grams. You each toss your lump of clay into the air, w
Vesna [10]

Answer:

\ \text{m/s}

Explanation:

u_1 = Velocity of one lump = 3x+3y-3z

u_2 = Velocity of the other lump = -4x+0y-4z

m = Mass of each lump = 30\ \text{g}

The collision is perfectly inelastic as the lumps stick to each other so we have the relation

mu_1+mu_2=(m+m)v\\\Rightarrow m(u_1+u_2)=2mv\\\Rightarrow v=\dfrac{u_1+u_2}{2}\\\Rightarrow v=\dfrac{3x+3y-3z-4x+0y-4z}{2}\\\Rightarrow v=-0.5x+1.5y-3.5z=\ \text{m/s}

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2 years ago
Find the difference between two masses measured as 123.6 grams and 115.972 grams. Express the answer to the correct number of si
xxTIMURxx [149]

Answer:

The difference is 7.6 grams.

Explanation:

In mathematics the difference of two numbers is express as the subtraction between them:

         

a-b

So to find out the difference between the two measured masses, a will be represented by 123.6 grams since is the bigger number, and b by 115.972 grams.

Therefore, it is get:

123.6grams-115.972grams = 7.6grams

<u>Hence, the difference is 7.6 grams. </u>

The result of 7.628 will be expressed as 7.6 to have the correct number of significant figures.          

 

Notice how that can be express in units of kilograms too since there is 1000 gram in 1 kilogram:

7.6grams . \frac{1Kg}{1000grams} ⇒ 7.6x10^{-3}Kg

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