Which of the following statements is wrong? (A) The law of reflection applies both to sound...
Which of the following statements is wrong? (A) The law of reflection applies both to sound waves and light waves. (B) Diffuse reflection of light obeys the law of reflection. (C) Wood appears to be yellowish because it absorbs more yellow light. (D) Plane waves remain plane waves after specular reflection.
Homework Answers
Ans- C. Wood appears to be yellowish because it absorbs more yellow light.
( Wood appears to be yellowish because it absorbs all the light rays and reflects only yellow light.)
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Which of the following statements is wrong? (A) The law of
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Which statements about reflection are true? (SELECT ALL THAT APPLY) Convex mirrors have focal points opposite to their reflective sides. Diffuse reflection can occur because a surface is rough or due to sub-surface scattering. Specular reflection requires that angles of incidence match the angles of reflection. Light reflected off a surface can never be perfectly polarized at any angle.
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Which of the following statements is most correct Gratings are not preferred because there are too many individual parts that ate difficult to align. 2. Prisms are preferred because they pass through the largest percentage of incident light: Gratings minimize loss of light and also produce a linear dispersion on the focal plane. A Interference filters are preferred since they can be arranged for wide ranges of wavelengths 5 Prisms are preferred because they are cheap and easy...
I need help with all 4 1) 1) A plane wave is projected towards a small...
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1) 1) A plane wave is projected towards a small opening in a wall and spreads out once it passes the opening. Rank in order the amount of diffraction of each wave below from most spreading to least spreading. A) Most>Ocean wave, Sound wave, Blue light, Red light+Least. B) Most Red light, Blue Light, Ocean wave, Sound wave Least. C) Most →Blue light, Red Light, Sound Wave, Ocean wavefLeast. D) Most Sound wave, Ocean...
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