1) If Angle "a" is 25o, Angle "b" is:
2) If Angle "a" is 25o, Angle "b" is:
3) If Angle "a" is 25o, Angle "d" is:
4) f the wavediffusiveness of orange-flame-flame portable is 6 · 10-7 m, number its abundance.
7) Full-diffusiveness mirrors used opportunity verbiage are:
8) A 2.0 X 2.0 -inch slide is placed anteriorly a converging lens 21 inch in face of the focal summit. If the focal diffusiveness is 20. inches, how liberal is the vision that is proposed on the shade?
11) Four beats per cooperate are heard when an hidden tuning fork and a 240 Hz tuning fork are struck concertedly. What are the two feasible frequencies of the tuning fork?
12) The reverberation of your footsteps produce in 0.50 cooperate. How hanker is the corridor in which you are walking? (Assume the hurry of probe for 0oC.)
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