1- Conceder the concert A note, vibrating at 440 HZ. How would youcalculate the frequency of the note A, one octave above it.a- 440+2b- 440/2c- 440 x 4d- 440 x 8e- 440 x 2answer: e2- In physics, the symbol e represents?A- Index of refraction.B- Doppler shift.C- Harmonic number.D- Speed of sounds.E- Speed of light.Should be symbol cAnswer: E3- Light that passes through a normal eyeball lens onto a retina?A- Produce right-side up images on the retina.B- Produce NO images on the retina.C- Produce upside-down images on the retina.D- Become parallel rays once they pass through the lens.E- Cause astigmatism.Answer: C4- Witch of these is a correct example of the Doppler effect?A- A police car siren getting louder as it approaches you.B- A green light signal appearing red as your approach it.C- A train signal clanging with a higher frequency after you pass it.D- A police car siren seeming lower in pitch after the police car passesyou.E- All of these.Answer: D5- This symbol represents?a- The speed of light.b- wavelength.c- celerity.e- index of refraction.Answer: bAnswer these questions based on the electromagnetic6.Comparing radio waves to gamma rays-radio waves have a:a. Greater wavelengthb. Greater energyc. Grater frequencyd. Greater amplitudee. None of the aboveanswer: a7- In a vacuum, every type of electromagnetic wave has the same:a. Frequencyb. Speedc. Wavelengthd. Amplitude ...
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