A string of length L is clamped at both ends. When it is plucked, it oscillates by a wavelength that is 2L/3. Consider the following statements:
a) There are three points on the string and excluding the ends, which remain motionless at all times.
b) There are two points on the string and excluding the ends, which remain motionless at all times.
c) The waves that form are standing waves.
d) The waves that form are traveling waves.
e) Energy is transferred from the string to each end clamp.
Which statements are correct?
1. B and D
2. A, D, and E
3. B, C, and E
4. B, D, and E
5. A and C
6. A, C, and E
7. A and D
8. B and C