GATE Questions

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Sound waves cannot travel through a Vacuum.

A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.

A homogeneous mixture is also called as solution.

The term "solution" is more frequently used when a homogeneous mixture is a liquid, although it is sometimes used if the homogeneous mixture is a gas.

Another name for a solid homogeneous mixture of metals is an alloy.

Domestic policy is the decisions made by a government regarding issues that occur within the country.

The Clean Air Act NATO program is an example of domestic policy.

Clearly, either the traffic signals should be made to function properly or traffic personnel should be deployed to guide vehicular movement in the right way. So either I or II follows.

At any given speed, momentum is directly proportional to mass of an object.

Yes, Carbon disulfide is prepared by heating sulfur and charcoal. 

S2 + C ----> CS2

Inventors and their Inventions ::

• Sir Richard Arkwright - Father of industrial revolution.

• Michael Faraday - Discovered Benzene and invented Bunsen Burner.

• Thomas Alva Edison - Invented Phonograph and motion picture camera.