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

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

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Physics
Absolute Zero is defined as

At which liquid Helium boils
The temperature at which all molecular motion ceases
At which water boils at 298K
At which the volume becomes zero

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