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Topic 2 (B) Light and Matter_ 10049 ASTR 116 C Introduction to Astronomy.pdf

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10/22/21, 6:46 PMTopic 2 (B) Light and Matter: 10049 ASTR 116 C Introduction to AstronomyTopic 2 (B) Light and MatterDueSep 26 at 11:12pmPoints10Questions10Time LimitNoneAllowed Attempts2InstructionsAttempt HistoryAttemptTimeScoreKEPTAttempt 23 minutes10 out of 10LATESTAttempt 23 minutes10 out of 10Attempt 122 minutes8 out of 10Correct answers are hidden.Score for this attempt:10out of 10Submitted Sep 7 at 4:53pmThis attempt took 3 minutes.Read OpenStax Astronomy eBook Chapter 5 Radiation and Spectra.Choose the best answer.1 / 1 ptsQuestion 1A wave has speed 20 m/s and frequency 4 Hz. What is its wavelength?80 m20 m5 m4 m
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10/22/21, 6:46 PMTopic 2 (B) Light and Matter: 10049 ASTR 116 C Introduction to Astronomy2/61 / 1 ptsQuestion 2Spectral lines are sometimes referred to as the stars' "fingerprints"because:

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