Answer Posted / tushardutt pandey
Tides:- It is the alternating rise and fall of the surface of the sea (approximately twice a day) caused by the gravitational attracting pull of the moon and also to a lesser degree of the sun. The rising water is called the flood tide and the falling water is called the ebb tide. The tides caused on the full nights ate higher than those caused in other nights, and the tides in the mid-nights are also higher than the day time.
There are two types of tides:-
(i) Spring tide:- On the full moon day the sun and the moon move in a line in the same direction; their combined fore of attraction causes a very high tide rather than on any other day. This tide ie called the Spring tide
(ii) Neap tide:- On the say when moon comes in a position at right angled to the sun, a bit higher tide occur which os called the Neap tide
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