AIEEE Questions

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Semiconductors are those materials that are neither good conductors nor the good insulators of heat and electricity. Silicon (Si), Germanium (Ge) and Cadmium Sulphide (CdS) are semiconductors which work as conductors in some special conditions only.

Niacin is the name for vitamin(B3).

Liver can produce small amount of niacin from tryptophan.

To produce 1 mg of niacin we require 60 mg of tryptophan.

Punch-card ballots voting method was discontinued as a result of the Help America Vote Act because of some issues in the counting process by the tabulating machines.

The Berlin Conference of 1884–85 was a meeting between European nations to create rules on how to peacefully divide Africa among them for colonization. The conference was convened by Portugal but led by Otto von Bismarck, chancellor of the newly united Germany. 

The 14 countries that attended included all the major European powers, as well as Russia, Turkey and the United States. The conference began with a dispute about the Congo River basin.Slavery was forbidden throughout Africa. The attendees agreed upon a principle of effective occupation by which rights over African colonies would be assessed.

Before the conference, about 80 percent of African territory was still in local hands. By 1902, European powers controlled 90 percent of Africa.

Transported soils form from weathered material deposits, which are transported by natural forces to a new site, away from the site of origin.

Rig veda   =  ayurveda

Yajur veda =  dhanurvedha

Samavedha  =  gandharvavedha

Atharvaveda  =  shilpa veda

In physics, interference is a phenomenon in which two waves superpose to form a resultant wave of greater, lower, or the same amplitude. The color bands in thin films are a result of wavelength dependent interference caused by the close spacing of the surfaces of the film.