Q. The latitudes of main land of India extends between

Answer

Correct Answer : 8°4' N and 37°6' N

Q. The law which states that wave-length of maximum radiation is inversely proportional to the absolute of the emitting body is known as:

Answer

Correct Answer : Wien’s Displacement Law

Q. The layer of atmosphere which reflects radio waves is

Answer

Correct Answer : Ionosphere

Q. The layer of ocean water between the depth zone of 300 m- 1000 m characterized by sharp change of temperature in the vertical section of sea water is called:

Answer

Correct Answer : Thermocline

Q. The layer of the atmosphere which provides ideal conditions for flying on jet aeroplanes is ________

Answer

Correct Answer : Stratosphere

Q. The layers of the earth’s crust are distinguished by their

Answer

Correct Answer : All the above

Q. The leading producer of “bort” variety of diamond in the world is ________

Answer

Correct Answer : Zaire

Q. The leading producer of coal in former Soviet Union is

Answer

Correct Answer : Donetz basin