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

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

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Physics
Absolute Zero is defined as

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

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