The following figure shows rays of monochromatic light passing through three mat

Question

The following figure shows rays of monochromatic light passing through three materials a, b, and c. Rank the materials according to index of refraction, greatest first. n_a >n_c > n_b n_b >n_c > n_a n_a >n_b > n_c n_c >n_a > n_b A candle is placed in front of a concave mirror. The image produced by the mirror is: Real, inverted and magnified. Real, inverted and minified Virtual, upright and magnified. Virtual, upright and minified Light travels from air into glass. Which sketch in Figure 38.2 correctly shows the incident, reflected, and refracted beams? The electric and magnetic fields of an electromagnetic wave are: in phase and perpendicular to each other. in phase and parallel to each other. in opposite phase and perpendicular to each other. in opposite phase and parallel to each other.

Explanation / Answer

1. as light goes from a to b, it moves away from normal.

and from b to C, it also move away from normal.

na > nb > nc

Ans(C)

2. Virtual, Upright and magnified.

Ans(C)

3. Ans(A)

incident and reflected ray makes same angle with normal.

and from air to glass, ray will bend towrads the normal.

4. Ans(A)

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