PHYSICS CH6 Light — Science STD 9 — Question

Overloading of electric circuits can lead to short-circuiting.

State whether true or false. If false, correct the statement.

Hermaphrodite animals have both male and female sex organs.

• True

• False

State whether true or false. If false, correct the statement.

Distance covered by a particle never becomes zero but displacement becomes zero.

• True

• False

We cannot see the functions of Software.

A current flowing in a wire gives rise to a magnetic field.

The salinity of brackish water ranges from 30-35 ppt.

Plants lose water when the stomata on leaves are closed.

Reduction of alcohol results in oxidation of dichromate to chromic ion.

Swine flu spreads through the air by an acute respiratory virus.

State whether true or false. If false, correct the statement.

The weight of fluid displaced determines the buoyant force on an object.

• True

• False