Q. 37 FIGURE聽P33.36聽shows the light ... [FREE SOLUTION]

Chapter 33: Q. 37 (page 956)

$F I G U R E P 33.36$ shows the light intensity on a screen behind a double slit. The slit spacing is $0.20 m m$ and the screen is $2.0 m$ behind the slits. What is the wavelength (in $n m$ ) of the light?

Short Answer

Expert verified

The light's wavelength is $位 = 500 n m .$

Step by step solution

Step: 1 wavelength light:

The wavelength of visible light is $400 n m$ to $700 n m$ , and this is where we understand about the widths of multiple colors in the visible spectrum of light.

Step: 2 Finding the width:

As per the diagram,since the width of four fringes is $20 c m$ , the width of one fringe will be

$w = \frac{0.02}{4} w = \underset{}{5 脳 10^{鈭� 3} m} .$

We understand that the fringe thickness in the double-slit experiment is calculated as

$w = \frac{位 L}{d} .$

Step: 3 Obtaining the wavelength value:

The wavelength by

$位 = \frac{w d}{L}$

$位 = \frac{5 脳 10^{鈭� 3} 脳 2 脳 10^{鈭� 4}}{2}$

$位 = 5 脳 10^{鈭� 7} m$

localid="1649147686306" $位 = 500 nm .$

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91影视

$F I G U R E P 33.36$ shows the light intensity on a screen behind a double slit. The slit spacing is $0.20 m m$ and the screen is $2.0 m$ behind the slits. What is the wavelength (in $n m$ ) of the light?

Short Answer

Step by step solution

Step: 1 wavelength light:

Step: 2 Finding the width:

Step: 3 Obtaining the wavelength value:

One App. One Place for Learning.

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91影视

FIGUREP33.36shows the light intensity on a screen behind a double slit. The slit spacing is 0.20mmand the screen is 2.0mbehind the slits. What is the wavelength (in nm) of the light?

Short Answer

Step by step solution

Step: 1 wavelength light:

Step: 2 Finding the width:

Step: 3 Obtaining the wavelength value:

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Physics Textbooks

Oscillations

Space Physics

Torque and Rotational Motion

Measurements

Further Mechanics and Thermal Physics

Linear Momentum

Study anywhere. Anytime. Across all devices.

$F I G U R E P 33.36$ shows the light intensity on a screen behind a double slit. The slit spacing is $0.20 m m$ and the screen is $2.0 m$ behind the slits. What is the wavelength (in $n m$ ) of the light?