Physics
Pycnometer is an instrument used to measure the

High temperatures
Intensity of earthquake
Intensity of solar radiation
Density

ANSWER DOWNLOAD EXAMIANS APP

Physics
When a piece of pure silicon is doped with aluminium, then

The conductivity of the doped silicon piece will remain the same
The doped silicon piece will become n-type
The doped silicon piece will become p-type
The resistivity of the doped silicon piece will increase

ANSWER DOWNLOAD EXAMIANS APP