Physics
Should cars have bumpers that collapse under impact?

No, since the colliding car would then ram into the occupants and kill them
No, since it would be very expensive to get the car repaired
Yes, since they help to absorb the impact of a collision and keep the occupants safe
Yes, since the offending car should get damaged and pay for the mistake

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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

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