CAT Questions

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The National Defence Academy is formed by combining the cadets of three services Army, Navy and Air force. The Defence academy established on 7 December 1954. Its motto is "Service Before Self."

The two elements that are used to make bronze are tin and lead.

The photoelectric effect pointed to the particle properties of light, which had been considered to be a wave phenomenon. Particles like electron and protons have both particle like and wave like behavior. Thus, according to de Broglie, all the material particles in motion possess wave characteristics. Although the dual nature of matter is applicable to all material objects but it is significant for microscopic bodies only.

The expansion of the rail networks led to better transport system for trading between many parts of the nation and the steel is the main component in making the rails and the locomotive itself resulting in the growth of the steel industry.

Arati Saha was the first Indian woman to cross English Channel (between England and France) in the year 1959. She was born in 1940 in Kolkata.