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प्रश्न
‘Rainfall decreases as one travels up the Ganges Valley.’ Why?
उत्तर
A branch of Summer Monsoon from Bay of Bengal moves up the Ganges Valley, it moves westwards along the Himalayas. The lower Ganges Valley receives the rainfall first and the upper Ganges Valley later on. Kolkata has an annual rainfall of 160 cm. As the branch of monsoon moves westward, it gets drier and drier. So it gives less rainfall. Varanasi gets 104 cm. of rainfall, Delhi gets 66 cm of rainfall.
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संबंधित प्रश्न
Name the following: The winds that bring heavy rain to Cherrapunji
Give a geographical reason for each of the following:
Kerala has the longest rainy season.
Which parallel of latitude divides India into the northern and southern halves.
How are the sources of rainfall in the North-west part of India different from the rainfall experienced on the coastal areas of Eastern India in winter?
Central Maharashtra receives little rainfall.
Mumbai receives rainfall in the summer season while Chennai receives rainfall from October to December. Why?
Study the climatic data given below and answer the questions that follow:
| Month | Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. |
| °C | 25.0 | 25.5 | 26.3 | 27.1 | 30.0 | 36.2 | 36.0 | 35.9 | 30.3 | 28.4 | 27.0 | 24.6 |
| cm | 24.5 | 23.1 | 15.0 | 2.4 | 0.1 | 11.0 | 9.3 | 7.2 | 4.0 | 9.4 | 14.5 | 20.4 |
(i) Calculate the annual temperature range.
(ii) What is the total annual rainfall?
(iii) Presuming that the station is located in India, give a reason for its location being on the east coast or the west coast of India.
Name the areas receiving very heavy rainfall on account of favourable situation of a mountain
Name the winds which provide relief rainfall to the Tamil Nadu coast?
Study the climate data of Station X and answer the questions that follow:
| Month | Jan. | Feb. | Mar. | Apr. | May | June | July | Aug. | Sep. | Oct. | Nov. | Dec. |
| Temperature °C | 21.0 | 21.9 | 24.3 | 27.2 | 28.0 | 26.4 | 26.1 | 25.4 | 26.0 | 26.0 | 23.8 | 21.2 |
| Rainfall in cm | 5.1 | 2.8 | 1.2 | 1.7 | 3.9 | 4.6 | 8.4 | 11.4 | 11.9 | 31.6 | 34.5 | 14.8 |
- Calculate the annual range of temperature of Station X.
- Name the wind that brings most of the rainfall to this station.
- On which coast of India is Station X located?
