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Light passing through a double slit
with separation d = 2.42x10-5 m
creates its second maximum (m = 2)
at an angle of 2.74 deg. What is the
wavelength of the light, IN
NANOMETERS?
(Hint: The answer will be between 400 and
700.) (Unit = nm)


Sagot :

Answer:

573

Explanation:

totally not stealing previous answer cause I know it's right

The wavelength of the light is 578.45 nm.

Light passing through a double slit with separation is given as

d = 2.42 × 10⁻⁵ m.

Line number m = 2

Angle θ = 2.74°

How wavelength is calculated and what is the wavelength of the light?

     The distance between two sound waves i.e., crest and trough is called the wavelength.

To find the wavelength, here we use the formula as,

               sin θ = Line number × λ ÷ ( distance )

By substituting all the given values,

              Sin ( 2.74° ) = 2 × λ ÷ ( 2.42 × 10⁻⁵ )

Rearranging the equation,

                 λ= (Sin ( 2.74° ) ×  ( 2.42 × 10⁻⁵ ) ) ÷ (2)

                  λ = 578.45 nm.

Thus, wavelength λ of the light is 578.45 nm.

Learn more about wavelength,

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