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Chem Practice Exam

Authored by Brandy Giles

Chemistry

10th - 12th Grade

Used 4+ times

Chem Practice Exam
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67 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A certain photon of light has a wavelength of 4.22x10-7nm. What is the frequency? (v=c/λ)

7.11x1014 Hz
7.11Hz
1.41x10-15
-1.41x1015

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A wave with a large wavelength will have a ______ frequency and _____ energy

high, low
high, high
low, high
low, low

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which has the LONGEST wavelength and, therefore, the lowest frequency/energy

Gamma Rays
Radio Waves
Visible Light
Infrared rays

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

As the frequency of an electromagnetic wave increases, the amount of energy in that wave...

increases.
decreases.
stays the same.

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The height of the wave is known as the _____________.

amplitude
crest
trough
wavelength

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the energy of a quantum of light with a frequency of 7.39x1014Hz.(E=Hv)

4.88x1019
4.88x10-19
2.22x1023
2.22x10-23

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Certain blue lights have a frequencey of 6.91x1014Hz. What is the wavelength? (λ=c/v)

4.34x1021
4.34x10-21
4.34x10-7
2.07x1023

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