In circular aperture diffraction, how does the diameter of the hole affect the diffraction pattern?
A. The smaller the hole the narrower the central maximum.
B. The smaller the hole the wider the central maximum.
C. The smaller the hole the smaller the angle to the first dark fringe.
D. The hole diameter does not affect the pattern.
Ans: B. The smaller the hole the wider the central maximum.
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Which of the following statements is not true about a neutralization reaction?
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Almost all elements heavier than hydrogen and helium were made inside stars
Indicate whether the statement is true or false
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What is the celestial equator?
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