Physics
Pressure Cooker cooks faster because

Boiling point decreases with rise of pressure
It cooks the food at low pressure
The material of the cooker is a good conductor
Higher temperature is attained for cooking

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

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

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