In nuclear fusion,

a. light nuclei combine to form a heavier nucleus.
b. a large nucleus splits into two smaller ones.
c. an initial reaction triggers a chain reaction.
d. protons are converted into neutrons and energy.


a

Physics & Space Science

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The disk component of our Galaxy has an overall relatively red color

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The resultant force vector R (in newtons) is:

Bracket ADO is acted on by forces F and T and couple M (see figure). Assume that F 5 8 N, T 5 9 N and
M 5 12 N?m. Joint coordinates are in meters.
(A) 25i 1 7j 1 1k
(B) 23i 1 4j 2 3k
(C) 26i 1 5j 1 4k
(D) 23i 1 6j 1 2k

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If light in a spectroscope were passed through a star-shaped opening instead of a thin slit, spectral lines would appear as

A) lines of poorer resolution. B) stars. C) blobs of no definite shape.

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Three devices that use electromagnetic induction in their operation are generators, transformers, and dynamic microphones

Indicate whether the statement is true or false

Physics & Space Science