1. A boy counts two waves passing by each 10 seconds, and also measures the distance between wave peaks to be 5 meters. What is the wave speed?

	a.	50 m/s
	b.	2 m/s
	c.	0.5 m/s
	d.	1 m/s

2. In air, light waves travel __________ compared to traveling in empty space.

	a.	inversely
	b.	slower
	c.	orthogonally
	d.	faster
	e.	the same speed

3. If a mobile phone is connected to a 120V outlet and has an internal resistance of 60 Ohms, what is the current that is drawn by the mobile phone?

	a.	60 mA
	b.	2 A
	c.	200 mA
	d.	60 A

4. The wavelength of a wave is a measure of a light wave's ________________.

	a.	transverse length
	b.	longitudinal length
	c.	amplitude
	d.	midpoint to midpoint length
	e.	crest to crest length

5. Which has the higher frequency: red light or green light?

	a.	green light
	b.	red light
	c.	both have the same frequency, just different wavelength

6. If you have a series resistor circuit with three resistors, R1, R2 and R3, if R1 = 100 Ohms and R2 = 2000 Ohms and R3 = 10 Ohms, what is the total resistance R_Total?

	a.	3010 Ohms
	b.	2000 Ohms
	c.	2110 Ohms
	d.	10 Ohms

7. What are the three additive primary colors?

	a.	red, yellow, green
	b.	red, green, blue
	c.	cyan, magenta, yellow
	d.	cyan, green, magenta

8. If a wave has a velocity of 20 meters/second and a wavelength of 10 meters, what is its frequency?

	a.	5 Hertz
	b.	2 Hertz
	c.	200 Hertz
	d.	0.5 Hertz

9. What is the effect on current if both the voltage and resistance are doubled?

	a.	current is the same
	b.	current is halved
	c.	current is doubled
	d.	current is squared

10. When a star is moving towards the Earth, what is the effect on the color of visible light that we see from the star?

	a.	the color wavelength becomes longer
	b.	the color wavelength becomes shorter
	c.	the light wave speeds up, increasing the wavelength
	d.	the color frequency becomes smaller