@ Take Test Lab 4 (interer x \\Gcnegg study! Guided 5. × \\BIChegg.com eLawrence

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@ Take Test Lab 4 (interer x Gcnegg study! Guided 5. × BIChegg.com eLawrence lechnological University lUSI https//my.ltu.edu/webapps/assessment/take/launchjspicourse assessment id- 10488 18course id-5535 18tcontent id- 222929 18step-nul uestin CompStats QUESTION 6 2 points Save Answar If two lightwaves are coherent then they have the same, Direction All of the above QUESTION 7 2 points Save Answer Thc laser used in this lab has aknown avelength of 650nm The wavelengt from you experimont turns out to be 1m Wat is the percent crro? t error can be a positive, negative, or zero value. Please refer to the lab handout) QUESTION 8 2 ponts Save Answer Two beams of ight start with the same phase. After beam 1 travels 5cm, beam 2 travels 10cm, what is the phase difference between the two beams? Assume the wavekcngth of both beams is 500nmm QUESTION 9 2 points Save Answer 4:22 'M

Explanation / Answer

6. (a) frequency

Two wave sources are perfectly coherent if they have a constant phase difference and thesame frequency, and the same waveform.

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