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Movements of Ocean Water
Question
Wired Faculty App

 Distinguish between :

2. Swash and Back Wash.

Answer

Swash

Back Wash

(i) It is the movement of a turbulent layer of water upslope of a beach as a result of the breaking of a wave.

(ii) It moves and deposits pebbles and conches along the beach.

(i) It is the movement of marine water down a beach, under gravitational influence after breaking of a wave.

(ii) It gives a seaward movement to the beach material.

 

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Some More Questions From Movements of Ocean Water Chapter

 What are tides ?

What is the main cause of tides ?

 Define waves.

Mention the disadvantages of tides.

 When do tides occur ?

write a note on Mixed tide.

Name the three things that affect the size of waves.

What is wave speed? 

When do the waves begin to break down?

What is the highest part and lowest part of the wave called?