Answer: physical
Step-by-step explanation:
Wearing sunglasses while talking to someone would be considered to be a physical noise. A physical noise simply means an environmental or external stimulus which brings about distraction in such a way that the intended message that is sent by the communicator is not being received by the receiver.
Physical noise can involve people wearing sunglasses or using a loud or expensive jewelry. This may bring about a distraction as the object on question night be the source of focus rather than the message that is being passed.