Questions

Isotopes are atoms of the same element that have different mass numbers.

Example : Hydrogen, Deutirium and tritium all these have different mass but same atomic numbers.

Panama Canal is called the 'Gateway of the Pacific'.

The Indian Navy operates three operational Commands. They are

1. Western Naval Command - Mumbai

2. Eastern Naval Command  - Vishakhapatnam

3. Southern Naval Command - Kochi

Electric power is the rate per unit time, at which electrical energy is transferred by an electric circuit. The power of electricity is measured in watts and kilo watts.

1 Watt is the unit of electrical power equal to one ampere under the pressure of one volt.

The odometer or the odograph is an instrument used to indicate the distance travelled by the vehicle.

Materials that usually allow electricity to pass through them are called Good conductors of electricity.

Conductors conduct electrical current very easily because of their free electrons.

Examples are :: Aluminium, Gold, Copper, Silver

Materials that do not allow or oppose electrical current & make poor conductors are called Insulators.

Examples are :: Glass, Plastic, Wood, Air,...