Pentaprism is a five sided prism with two silvered surfaces giving a non-stop deviation of all rays of light through 90 degress. Used in viewfinders of single-lens reflex cameras
Answer:
Iv'e answered this question 2 times already lol. The purpose of speakers is to produce audio output that can be heard by the listener. Speakers are transducers that convert electromagnetic waves into sound waves. The speakers receive audio input from a device such as a computer or an audio receiver.
Explanation: I hope this helps!
some advantages of video conferencing include:
• you can talk no matter how far you are from the person
•you won’t have to go somewhere to talk
•there is no cost if you need to travel far
If what I found is correct it would be C, all charts... If not that then it would be B.
