1. In Figure 1, the observer at O views two closely spaced lines through an angled piece of plastic. How do the lines appear to the observer? (A) shifted to the right. (B) shifted to the left. (C) spaced farther apart. (D) spaced closer together. (E) exactly as they do without the piece of plastic.

1. In Figure 1, the observer at O views two closely spaced lines through an angled piece of plastic. How do the lines appear to the observer?

(A) shifted to the right.
(B) shifted to the left.
(C) spaced farther apart.
(D) spaced closer together.
(E) exactly as they do without the piece of plastic.

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統計： A(2), B(0), C(0), D(0), E(0) #3207115

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木公的診間裝潢中

B1 · 2024/03/05

#6039374

the observer at O vi...

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2. In Figure 2, monochromatic light with a wavelength in air of λ= λ0 = 500 nm shines normally on a pair of identical glass microscopic slides (I= 10.0 cm in length) that form a very narrow wedge (with thickness h = 0.0200 mm). The top surface of the upper slide and the botton surface of the lower slide have special coatings on them so that they reflect no light. In the following, which position corresponds to a dark fringe? (A) x = 1.75 mm, (B) x = 1.00 mm, (C) x = 1.25 mm, (D) x = 2.20 mm, (E) x = 2.15 mm. A periodic transverse wave travels along an x-axis. Figure 3(a) gives the displacements of elements as a function of x at time t = 0. Figure 3(b) gives the displacements of elements at x = 0 as a function of time t.

1. In Figure 1, the observer at O views two closely spaced lines through an angled piece of plastic. How do the lines appear to the observer? (A) shifted to the right. (B) shifted to the left. (C) spaced farther apart. (D) spaced closer together. (E) exactly as they do without the piece of plastic.

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