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1. Two narrow slits are exposed to light of 465.45 nm. At a screen 3.000 microns...

1. Two narrow slits are exposed to light of 465.45 nm. At a screen 3.000 microns from the slit, the 1st order interference maxima on either sides of the central maximum are separated by 2.721 microns. What is the slit's spacing in microns?

2. Determine the  temperature (in °C) of a black body that is emitting radiations at a peak wavelength of 407.8 nm.

3. Determine the temperature (in °C) of a black body that is emitting radiations with an integrated intensity of 29,560,304 W/m2.

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