Light and Quantized Energy

Quiz by Cheryl Morton

High School
Chemistry (2017)
Texas Essential Knowledge and Skills (TEKS)

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### Measures 1 skill fromHigh SchoolChemistry (2017)Texas Essential Knowledge and Skills (TEKS)

112.35.c.6.b

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5 questions
• Q1

The wavelength of a wave is measured from

crest to crest

origin to crest

crest to trough

origin to trough

30s
112.35.c.6.b
• Q2

What is the wavelength of a wave having a frequency of 3.75 X 107Hz?

0.8

8.0

0.08

80.0

30s
112.35.c.6.b
• Q3

Which of the following power sources makes use of the photoelectric effect?

alkaline batteries

diesel engines

solar power cells

nuclear power plant

30s
112.35.c.6.b
• Q4

Which of the following electromagnetic waves has photons of the highest energy?

Microwaves

X-rays

infrared rays

30s
112.35.c.6.b
• Q5

Objects get their colors from reflecting only certain wavelengths when hit  with white light.  Light reflected from a green leaf is found to have a wavelength of 4.90 X 10-7m.  What is the frequency of the light?

3.00 X 108m

6.12 X 1014Hz

3.00 X 108Hz

6.12 X1014m

30s
112.35.c.6.b

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