3rd Preparatory - Exam Night - Practicing (Term1&Term2)

In(distance - time ) graphical relation a regular speed is represented by ...

• straight line parallel to time axis.

• curved line passing through the origin point.

• straight line passing through the origin point.

• curved line parallel to time axis.

A virtual, erect and diminshed image is formed for the object by ....

• concave lens.

• convex lens.

• concave mirror.

• plane mirror.

On heating red mercuric oxide, it decomposes into silvery mercury and ....

• oxygen

• hydrogen

• nitrogen

• carbon dioxide

An instrument used to measure the potential difference is ...

• the ammeter that is connected in the circuit in parallel.

• the ammeter that is connected in the circuit in series.

• the voltmeter that is connected in the circuit in parallel.

• the voltmeter that is connected in the circuit in series.

According to the modern theory for the origin of the solar system, the planets formed from ....

• the gaseous cloud.

• the gaseous line.

• the gaseous rings.

• the gaseous sphere.

• a

• b

• c

• d

• a

• b

• c

• d

• a

• b

• c

• d

• a

• b

• c

• d

• a

• b

• c

• d