Physics
Large astronomical telescopes always use as objective

lens
combinations of lenses
None of these
mirror

ANSWER DOWNLOAD EXAMIANS APP

Physics
Which one of the following is the correct sequence of passage of light in a compound microscope?

Eyepiece -Objective lens -Body tube -Mirror
Condenser -Objective lens -Body tube -Eyepiece
Objective lens -Condenser -Body tube -Eye piece
Condenser -Objective lens -Eye -piece -Body tube

ANSWER DOWNLOAD EXAMIANS APP