What is the area of the airy disk on the screen

Reference no: EM132099754

Question: Consider light from a helium-neon laser (Î»=632.8 nanometers) striking a pinhole with a diameter of 0.475 mm

PART A.At what angle Î¸1 to the normal would the first dark ring be observed?ANSWER is 9.31*10^-2

PART B. Suppose that the light from the pinhole projects onto a screen 3.00 meters away. What is the radius r1 of the first dark ring on that screen? Notice that the angle from Part A is small enough that sinÎ¸â‰ˆtanÎ¸. ANSWER is 4.88 mm

PART C. The first dark ring forms the boundary for the bright Airy disk at the center of the diffraction pattern. What is the area A of the Airy disk on the screen from Part b?

PART D. What is the angular radius Î¸1 of the first dark ring for a point source being imaged by this telescope? Use 550 nanometers for the wavelength, since this is near the average for visible light.

Reference no: EM132099754

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