1. (2 pointa) Most of the electromagnetic spectrum consists of visible light (a)

Question

1. (2 pointa) Most of the electromagnetic spectrum consists of visible light (a) True (b) False 2. (2 points) Compared to radio waves, the velocity of visible light (a) less waves in vacuum is (b) more (c) the same 3. (2 points) Which of the following is fundamentally different from the others. (a) sound waves (b) X-rays (c) gamma rays (d) light waves (e) radio waves 4. (2 points) Electromagnetic waves are longitudinal waves! (a) True (b) False 5. (2 points) What is the frequency of an electromagnetic wave that has a wavelength of 300000 km? (a) less than 1 Hz (b) 1 Hz (c) more than 1 Hz 6. (2 points) Polarization experiments provide evidence that light is: (a) a longitudinal wave (b) a stream of particles (c) a transverse wave (d) some type of wave (e) nearly monochromatic 7. (2 points) When you stand in front of a plane mirror, your image is: (a) real, erect, and smaller than you (b) real, erect, and the same size as you c) virtual, erect, and smaller than you d) virtual, erect, and the same size as you e) real, inverted, and the same size as you

Explanation / Answer

1)False

2)c

3)a

4)b

5)b

6)c

7)e

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