Answer: Real image
Explanation:
converging lens will only produce a real image if the object is located beyond the focal point (i.e., more than one focal length away).
The radio waves have a very low frequency so they will always have a very low energy.
Good luck :)
Answer:
D
Explanation:
because two vectors which align in the same line adds one to another
Answer: option "A" is correct
Explanation: the closet to understand the intensity level will be from 80db (decibels) upwards. So option a which is 84db is the answer. Thank you.
