Physics The density of a gas is maximum at

Low temperature, low pressure
Low temperature, high pressure
High temperature, low pressure
High temperature, high pressure

Physics The density of the liquid when heated

Decreases
May increase of decrease depending on pressure
Does not change
Increases

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

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
To allow the aroma of the food to come out through the holes

Wood
Nickel
Aluminium

Physics The fuse in an electric circuit is connected in

Parallel to neutral
Parallel to live
Series with neutral
Series with live

Physics A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum:

Just after it is dropped
When it is just on the half-way
Just before it touches the ground
When it touches the ground