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Light of wavelength 550nm is incident normally on a diffraction grating. The seventh order maximum of the diffraction pattern is observed at 32 degrees.
a) What is the density of the rulings per cm
b) Determine the total number of primary maxima that can be observed in this situation
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at 445 ordmc calculate the equilibrium concentration of hi when 0.500 m hi 0.0200 m h2 and 0.0200 m i2 are placed in a
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A submarine is 319 m horizontally out from the shore and 111 m beneath the surface of the water. A laser beam is sent from the submarine so that it strikes the surface of the water at a point 209 m from the shore.
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A sample of paramagnetic material containing \(10^{25}\) atoms is placed in an external field magnetic field of 1 tesla at room temperature
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