Answer:
(a)
In India, coal deposits found are mainly of two geological ages
(i) Gondwana Coal Deposits These
are about 200 million years old. The major coal deposit in India are Gondwana
coal
which are high quality metallurgical coal and are located in Damodar
Valley (Paschim Banga, Jharkhand). Jharia, Ranigunj and Bokaro are important
coal fields. Besides, the Godavari, Mahanadi, Son and Wardha valleys also
contain such coal deposits.
(ii) Tertiary Coal Deposits These are around 55
million years old. Tertiary coal deposits are found in the North-Eastern states
of Meghalaya, Asom, Arunachal Pradesh and Nagaland. This coal is of lower
quality than the Gondwana coal.
(b) Solar energy is an inexhaustible source of energy
produced from sunlight. There is enough scope for the development of solar
energy. It has bright future in India because Many parts (regions) of the
country received sunlight on 300 days annually and so it becomes possible to
generate 20 MW solar energy per square kilometer in such areas.
(ii) It is easy to established solar plants in urban and
rural areas.
(iii) By setting up solar plants in rural areas the
dependence of people on firewood can be reduced.
(iv) It is also becoming popular as it is used for
cooking, heating water, lighting, etc.
(v) It is a renewable source of energy, while other
conventional sources used for generating electricity are exhaustible and non-renewable.
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