Physics
To open a door easily, the handle should be fixed

In the middle
None of these
Away from mid-point opposite to hinges
Near the hinges

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Physics
Mica is used in electrical appliances such as electric iron because mica is

a good conductor of heat as well as electricity
a bad conductor of heat but a good conductor of electricity
a bad conductor of heat as well as electricity
a good conductor of heat but a bad conductor of electricity

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Physics
In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch?

To allow the aroma of the food to come out through the holes
To allow the heat to get into the food through the hole
To allow the microwaves to get into the food through the holes
To prevent the steam pressure from bursting open the pouch

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