Question

mention the types of mirror or lens used in the following examples a used to correct near sightedness b used in door viewers and peepholes as security devices c used in railway stations or metro stations to have full view of trains d dentist and ENT specialist use it in focus a beam of light to see inside a patient's mouth or ears e used in magnifying lenses and binoculars​

Answer 1

Answer:

focus beam

magnifying lenses

binocular

peephole