The string is stretched taut, and both ends are restricted

1) A string has a length of 84 cm. The string is stretched taut, and both ends are restricted to be nonmoving. Touching the string at which of the following points will not produce a standing wave when the string is plucked?2) What angular nodes does this picture of an f orbital display?

Order your essay today and save 30% with the discount code: KIWI20