Question

Question 11 (1 point)

Which type of electromagnetic radiation has the highest energy?

Question 11 options:

	Visible
	IR
	UV
	Gamma

Question 12 (1 point)

Which type electromagnetic wave cannot travel through space?

Question 12 options:

	Gamma
	UV
	IR
	Visible
	You can't fool me, all EM radiation can travel through space.

Question 13 (1 point)

What are the units for the luminous flux of light?

Question 13 options:

	lumens
	watts
	amps
	volts

Question 14 (1 point)

Waves show both constructive and destructive____.

Question 14 options:

	propagation
	interference
	resonance
	construction

Question 15 (1 point)

The longest possible full wave for a wire will be ___ as the wire.    

Question 15 options:

	half as long
	about the same length as
	3 times as long
	twice as long

Question 16 (1 point)

Dead spots in an auditorium may be caused by__.

Question 16 options:

	the Doppler Effect
	antinodes
	propagation
	interference

Question 17 (1 point)

If we double frequency of a note, the sound changes by a(n) ___.        

Question 17 options:

	chord
	chord
	hertz.
	octave

Question 18 (1 point)

Which of the words below indicates the number of SECONDS per wave?

Question 18 options:

	chord
	hertz
	frequency
	period

Question 19 (1 point)

Which of the words below indicates the number of WAVES per SECOND?

Question 19 options:

	seconds
	period
	chord
	frequency

Question 20 (1 point)

The amplitude of a transverse wave is measured from_____.

Question 20 options:

	the middle (equilibrium) of the wave to the top or bottom of the wave
	the two closest points in phase and position
	node to node
	the bottom of the wave to the top of the wave

Answer 1

11) gamma rays have the highest energy they have highest frequency and energy is given by hv so directly proportional

12) all em do not require any medium so they all can travel in space

13) Lumen is unit of luminous flux