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11 questions · timed · auto-graded

Question 11 Mark
In what way will the following depend on the tides:Going to coastal areas for trips:
Answer
Plan for going to trips after full moon or new moon day. Also one must have details about the timings of the tides for better enjoyment.
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Question 21 Mark
In what way will the following depend on the tides:Salt Pans:
Answer
During high tide, seawater can be stored in salt pans from which salt can be obtained.
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Question 31 Mark
In what way will the following depend on the tides:Fishing:
Answer
With the high tide, fish moves into the creeks and this helps the fishing activity.
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Question 41 Mark
In what way will the following depend on the tides:Steering a ship:
Answer
Ships can move up to the ports during high tide.
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Question 51 Mark
In what way will the following depend on the tides: Swimming:
Answer
A lack of an understanding of the timings of high and low tides may cause accidents to swimmers entering the sea.
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Question 61 Mark
Define the following: Wave length:
Answer
The wave length is the distance between two successive crests or troughs.
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Question 71 Mark
Define the following: Amplitude of the wave:
Answer
The vertical distance between a crest and the following trough is called the amplitude of the wave.
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Question 81 Mark
Define the following: Waves:
Answer
The sea water gets pushed by the wind and so ripples are generated on the water surface. These are called waves.
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Question 91 Mark
Define the following: Tidal range:
Answer
The difference in the water level of the high tide and low tide is called tidal range.
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Question 101 Mark
Define the following: Centrifugal force:
Answer
Due to the earth’s rotation, the earth gets a type of power or force. This force works away from the centre. It is called the centrifugal force.
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Question 111 Mark
Define the following: Tide:
Answer
The alternate rising and falling of the sea water after a specific period is called tide.
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Answer the question - Geography STD 7 Questions - Vidyadip