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WorksheetsChemistry - 5.3 - Emission Spectra and the Quantum Model (1)
Total questions: 15
Worksheet time: 8mins
A. Visible light
B. Microwaves
C. Radio waves
Which of the various types of electromagnetic waves, listed above, move through air at approximately 3.0 x 108 m/s? So fast, that it travels around Earth approximately seven times in one second.
A. only
B. only
C. only
A., B., and C.
A. Visible light
B. Microwaves
C. Radio waves
Which of the various types of electromagnetic waves, listed above, has a wavelength of approximately 300 meters?
A. only
B. only
C. only
A., B., and C.
A. Visible light
B. Microwaves
C. Radio waves
Which of the various types of electromagnetic waves, listed above, has a wavelength of approximately 6 millimeters?
A. only
B. only
C. only
A., B., and C.
A. Visible light
B. Microwaves
C. Radio waves
Which of the various types of electromagnetic waves, listed above, are we able to visually see with our eyes?
A. only
B. only
C. only
A., B., and C.
What is the relationship between the energy and the frequency of electromagnetic radiation?
Direct relationship: as one increases, so does the other
Inverse relationship: as one increases, the other decreases
Microwaves are used to cook food and transmit information. What is the wavelength of a microwave that has a frequency of 3.44 x 109 Hz?
8.72 x 10-2 m
8.72 x 102 m
8.72 x 1017 m
8.72 x 10-1 m
Objects get their colors from reflecting only certain wavelengths (i.e. certain colors) when hit with white light. Light reflected from a green leaf is found to have a wavelength of 4.90 x 10-7 meters. What is the frequency of the light?
6.12 x 1014 Hz
1.63 x 10-15 Hz
147 Hz
6.80 x 10-3 Hz
X-rays can penetrate boy tissues and are widely used to diagnose and treat disorders of internal body structures. What is the frequency of an X-ray with a wavelength of 1.15 x 10-1 nanometers?
2.61 x 1018 Hz
3.83 x 10-19 Hz
3.45 x 10-2 Hz
2.90 x 101 Hz
After careful analysis, an electromagnetic wave is found to have a frequency of 7.8 x 106 Hz. What is the speed of the wave?
3.0 x 108 m/s
3.85 x 101 m/s
2.34 x 1015 m/s
While an FM radio station broadcasts at a frequency of 94.7 MHz, and AM station broadcasts at a frequency of 820 kHz. What is the wavelength of the FM broadcast?
3.17 x 109 nm
3.17 nm
3.70 x 1011 nm
370 nm
2.84 x 1016 nm
While an FM radio station broadcasts at a frequency of 94.7 MHz, and AM station broadcasts at a frequency of 820 kHz. What is the wavelength of the AM broadcast?
3.17 x 109 nm
3.17 nm
3.70 x 1011 nm
370 nm
2.84 x 1016 nm
While an FM radio station broadcasts at a frequency of 94.7 MHz, and AM station broadcasts at a frequency of 820 kHz. Which of the drawings below corresponds to the FM station?
a.
b.
While an FM radio station broadcasts at a frequency of 94.7 MHz, and AM station broadcasts at a frequency of 820 kHz. Which of the drawings below corresponds to the AM station?
a.
b.
If electrons only acted like particles, what would happen to them?
They would fall into the nucleus
They would escape from the nucleus
A sample of gas is analyzed, producing the spectrograph provided in the image. Using the spectrographs of the elements below. Identify which element the sample mostly consists of.
Hydrogen
Helium
Neon
Sodium
Mercury
