Visible light from a distant star can be spread into a spectrum by using a glass prism or

A) a diffraction grating.
B) adaptive optics.
C) a telescope.
D) a flat glass mirror.


A

Physics & Space Science

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What will be an ideal response?

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A toroid is made of 2 000 turns of wire of radius 2.00 cm formed into a donut shape of inner radius 10.0 cm and outer radius 14.0 cm. When a 30.0-A current is present in the toroid, the magnetic field at a distance of 11.0 cm from the center of the toroid is

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