11. Which of the following statements--if any--is true? (a) The electric and mag

Question

11. Which of the following statements--if any--is true? (a) The electric and magnetic field components of an electromagnetic wave are parallel. (b) Electromagnetic waves are always vertically polarized (c) Cyan light passing through a yellow filter and landing on a blue object is reflected as green light (d) It is not possible for a material to have an index of refraction that is less than 1.0. (e) None of these is true. 12. Which of the following statements-if any-is true? (a) Magenta, yellow, and cyan lights mixed in equal quantities form white light. (b) Sunsets are red because red light is "scattered" more than blue light. (c) The magnetic field midway between two long parallel wires carrying equal current in opposite directions is zero. (d) Images formed with concave lenses are never virtual (e) None of these is true.

Explanation / Answer

11

a) False

b) false

c) False

d) True

e) False

12

a) True

b) False

c) True

d) False

e)False

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