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Refracting telescopes, if uncorrected, suffer from chromatic aberration.
Chromatic aberration occurs because:
a) red light is focused more strongly than blue light
b) blue light is focused more strongly than red light
c) the outer light rays are focused more strongly than the central rays,
d) the central light rays are focused more strongly than the outer rays.
Ans- Blue light is focused more strongly than red light
Consider the water heat distribution system shown below where: The fractions refer to the fraction of the stream ?owing, e.g. 20% of the stream leaving the 100,000 Btu/ hr heate
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write a note on pascal discovry in helping to make hydrolic jacks
Why is quantum mechanics important? Quantum mechanics is important to understand the behavior of systems at atomic length scales and duration smaller. For illustration, when Ne
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Megavoltage therapy: Kerst developed the betatron which accelerates electrons to high energy .It open a new radiation therapy era-the supervoltage or megavoltage era.Another
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