Physics Quiz 3

A person can jump higher on the Moon’s surface than on the Earth because:

The purpose of choke in a fluorescent lamp is:

The apparent weight of a man in a lift is less than the real weight when:

Rainbows are produced when sunlight:

The velocity of sound in moist air is more than in dry air because the moist air has:

The least penetrating power ray is:

X-rays can be used:

Ice is packed in saw dust because:

It is easy to burst a gas-filled balloon with a needle than with a nail. It is because:

Electric current is measured using which of the following instrument?

The dynamo converts:

A fuse wire is characterized by:

For a missile launched with a velocity, less than the Earth’s escape velocity, the total energy is:

Cyanide poisoning causes death in seconds because:

When one gene pair hides the effect of the other unit. The phenomenon is referred to as:

To an astronaut in space the sky will appear to be:

On a rainy day, small oil films on water show brilliant colours. This is due to:

Rainbow formation is due to:

The total energy of an electron inside an atom is:

The velocity of light is:

A seconds pendulum is a pendulum whose time period is:

A jug is filled to the brim with water at 0°C. A piece of ice floats in it. The moment the ice melts:

Herman Hollerith had perfected his tabulating system and developed a machine called:

Absorption of water from cut ends of stems disproves the:

The loss of water in the form of water droplets is called:

The metal used for making aircrafts and rockets is:

The colours of stars depend on their:

Radar is used to:

Optical fibre works on the principle of:

Radio Carbon Dating is used to estimate the age of:

A satellite in vacuum:

Communication satellites are used to:

‘Farad’ is the unit of:

Steel is more elastic than rubber because it:

On the Moon, an astronaut cannot drink lemonade with the help of straw because:

A particle moving with uniform speed:

Device which uses sound waves for detection and ranging is called:

Earth is a very big magnet. In which direction does its magnetic field extend?

Which colour(s) of light has the highest velocity through vacuum?

What type of mirror is used in a view-finding mirror of a vehicle?

We receive sunlight on earth surface. What type of light beams are these?

‘Shock-absorbers’ are usually made of steel as it:

The time period of a pendulum when taken to the Moon would:

The atmospheric air is held to the Earth by:

The function of ball bearings in a wheel is:

Lambert’s law is related to:

A geostationary satellite revolves around the Earth from:

Among the following materials sound travels fastest in:

Which phenomenon do bats or dolphins use to find prey, predators or obstacles?

What did the first electronic digital computer contain?