Answer:
C. Round, military-style glasses.
Explanation:
For his look as a character of a Musketeer named Gripweed in the movie "How I Won The War", The Beatles' John Lennon was made to cut his hair short. But more important and prominent of his look for the film was his character's requirement of wearing "round" granny like military-style glasses. This particular item of his character later stayed on with him, and he continued to wear it almost throughout his entire life. This glass also became more of a distinctive trademark of the image of John Lennon.
Mannerism i'm sure. it is.
Answer:
Answer : If this happens avoid using the high power objective lens, instead use other power lenses.
One should always use the compound microscope with great care. If the high power objective lens breaks the cover slip, it should be immediately informed to the teacher, professor, or any one who is authorized to handle this situation.
You can avoid this situation to occur by being extra careful, while using the high power objective lens adjust the lens using the fine knob adjustment.