Physics
Pressure Cooker cooks faster because

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

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Physics
Rain drops fall from great height. Which among the following statements is true regarding it?

Their velocity increases and they fall with same velocity on the earth
They fall with that ultimate velocity, which are different for different droplets
They fall with same ultimate velocity
Their velocity increases and they fall with different velocity on the earth

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