The wavelength of this musical note(音符) is 7.8 ft, over three times longer than the wavelength of the same note in air (2.5 ft).
举一反三
- 这根棍子的长度是那个的3倍. Which of the following translation is not correct?? This stick is;two;times longer;than that one.|This stick is;three times longer than;that one.;|This stick is three times the length of that one.|This stick is three times as long as that one.
- The river is three times _____ that one. A: longer than B: the long of C: as long D: as longer as
- Nonselective scattering is caused by particles that are much larger than the wavelength of the scattered radiation. （ ）
- A photon of wavelength 2.0 nm Compton-scatters from an electron at an angle of 90°. What is the modified wavelength? ( )
- note a. Seeing nobody at home, he decided to leave a note. b. In music, a note is the pitch and duration of a sound, and also its representation in musical notation (♪, ♪).