.A wave has a wavelength of a 50 m and a period of 39 s.

attach the statements so i can answer : )

pretty sure it's false

the given statement is true.

sensory memory lasts for a fraction of seconds before the information is lost. it is the shortest -term memory and can be called as an element of memory. example: when we look at something and remember what it looks like, is just a second of observation. it degrades very quickly. it can also be considered as the process of perception rather than considering it as a memory.