Physics
Which is an example of Phototropism?

Roots of a plant following water
A venus flytrap capturing a fly
Plant bending toward the light
Roots growing into the soil

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

ANSWER DOWNLOAD EXAMIANS APP

Physics
Which of the following is not a property of heavy water ?

It produces corrosion
Freezing point of heavy water is higher than that of ordinary water
Boiling point of heavy water is lower than that or ordinary water
Density of heavy water is higher than that of ordinary water

ANSWER DOWNLOAD EXAMIANS APP