Different schools of art compared
RAS RAS Answer Keys
Horizontal and vertical distribution of temperature, inversion of temperature
The temperature is the measurement in degrees of how hot (or cold) a thing (or a place) is. The temperature of the atmosphere is not same across the Earth. It varies in spatial and temporal dimensions. The temperature of a place depends largely on the insolation received by that place. The interaction of insolation … Read more
Major Landmarks in the History of Rajasthan, Major Dynasties, their Administrative and Revenue System.Socio-cultural Issues.
Rajasthan : Ancient Civilizations Different Ancient Civilizations of Rajasthan are:- Kalibangan Civilizations:- Kalibangan lies along the left bank of the dried-up bed of river Ghaggar (ancient Sarasvati and Drashdwati). Its supposed to be older then 4000 B.C. and was first discovered by Amlanand Ghosh in 1952 AD It comprises of three mounds, the larger … Read more
Indian monsoon, mechanism, onset and retreat
The word “monsoon” comes from the Arabic word mausim, meaning season.Monsoons refer to a system of winds in the tropical regions under which the direction of winds is reversed completely between the summer and the winter seasons. Under this system, the winds blow from land to sea in winter and from sea to land … Read more
current electricity
Current Electricity Electric current is the rate of flow of electric charge through a conducting medium with respect to time. It is caused by drift of free electrons through a conductor to a particular direction.Charges in motion constitute an electric current. Such currents occur naturally in many situations. Lightning is one such phenomenon in which … Read more
Atomic structure
Atomic Structure In 1897 J.J. Thomson discovered electron as a constituent of atom. He determined that an electron had a negative charge and had very little mass as compared to that of the atom. Since an atom was found to be electrically neutral it was inferred that some source of positive charge must be present … Read more
Services
Current Status It is the largest and fastest growing sector globally contributing to the global output and employing more people than any other sector Why has services sector grown? Increase in urbanisation, privatisation and more demand for intermediate and final consumer services Availability of quality services is vital for the well being of the economy … Read more
Broad Physical features
Geomorphology Earth’s Interior – Earthquake Waves – Shadow Zone Most of the knowledge we have about Earth’s deep interior comes from the fact that seismic waves penetrate the Earth and are recorded on the other side. Earthquake ray paths and arrival times are more complex than illustrated in the animations, because velocity in the … Read more
Forestry
Forestry in Rajasthan Rajasthan is blessed with great variety of natural resources ranging from scanty vegetation in the western arid region to mixed delicious and sub-tropical evergreen forests in the east and south east of Aravali ranges. Forest cover is 32744.49 sq.km.(12475 sq.km. is reserved, 18222 sq.km.is Protected Forest 2046.75 is unclassified forest) which is … Read more