1.

Figure shows the position of the earth with its tilted axis on 21st June and 22nd December. It also shows its illuminated and dark positions. Observe the figure and answer the following.i. In fig ‘A which pole is receiving sunlight?ii. In fig ‘B’ which pole is not receiving sunlight?iii. Which hemisphere has the longest daytime on 21st June?iv. Which hemisphere will have the longest night on 22nd December?v. On which date will the Tropic of Cancer receive perpendicular sunrays?vi. Considering the position of the north pole, which season will prevail in the northern hemisphere from 22nd March to 23rd September?vii. The cricket matches in Australia are generally in summer, when does Australia have summer?viii. In which period is the ‘midnight sun’ observable in Norway? Which season will there be at that time?ix. At what time will the midnight sun be visible at the “Bharati Research Station” of India at Antarctica? What will be the season there at that time?

Answer»

i. North Pole is receiving sunlight in Fig ‘A’

ii. North Pole is not receiving sunlight in Fig. ‘B’

iii. Northern hemisphere has the longest daytime on 21st June.

iv. Northern hemisphere will have the largest night in 22nd December.

v. The Tropic of Cancer will receive perpendicular sunrays on 21st June.

vi. Summer season will prevail in the northern hemisphere from 22nd March to 23rd September.

vii. Summer season prevails in Australia from 23rd September to 21st March.

viii. Midnight sun is observable in Norway from 21st March to 23rd September. It will be summer in Norway that time.

ix. The midnight sun will be visible at Bharati Research Station of India at Antarctica from 23rd September to 21st March. It will be summer season there.



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