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Light of wavelength 5.1×10−7m passes through two parallel slits and falls on a screen 4.5 m...

Light of wavelength 5.1×10−7m passes through two parallel slits and falls on a screen 4.5 m away. Adjacent bright bands of the interference pattern are 1.5 cm apart. The same two slits are next illuminated by light of a different wavelength, and the fifth-order minimum (m = 5) for this light occurs at the same point on the screen as the fourth-order minimum (m = 4) for the previous light.

What is the wavelength of the second source of light? Express your answer to two significant figures and include the appropriate units.

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