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1. A double-slit experiment is performed with sodium light
(λ = 589.0 nm). The slits are separated by 1.05 mm, and the
screen is 2.357 m from the slits. Find the separation between
adjacent maxima on the screen.

3. Find the momentum of (a) a 10.0-MeV gamma ray; (b) a
25-keV X ray; (c)a1.0-μm infrared photon; (d) a 150-MHz
radio-wave photon. Express the momentum in kg ·m/s and
eV/c.

4.What is the cutoff wavelength for the photoelectric effect
using an aluminum surface?

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A double-slit experiment is performed with sodium light (λ = 589.0 nm). The slits are separated by 1.05 mm, and the screen is 2.357 m from the slits. Find the separation between adjacent maxima on the screen.