Which of the following statements relating to tsunami is are correct? As the tsunamis leave the deep water of the open sea andtravel towards shallow water 1.the speed considerably 2 they attain enormous height is reduced 3 they appear as a gentle rise and fall of the sea Select the correct answer using the code given below

Which of the following statements relating to tsunami is are correct?

1.	Which of the following statements relating to tsunami is are correct? As the tsunamis leave the deep water of the open sea andtravel towards shallow water 1.the speed considerably 2 they attain enormous height is reduced 3 they appear as a gentle rise and fall of the sea Select the correct answer using the code given below
Answer» 1 and 2 only 2 and 3 only 1 only 1,2 and 3 Solution :Tsunami waves do not resemble normal sea waves, because their wavelength is far LONGER. RATHER than appearing as a breaking wave, a tsunami may instead INITIALLY resemble a rapidly rising tide, and for this reason they are often referred to as tidal waves Tsunamis generally consist of a series of waves with periods RANGING from minutes to hours, arriving in a so-called "wave train".[4] Wave heights of tens of metres can be generated by large events. Although the impact of tsunamis is limited to coastal areas, theirdestructive power can be enormous and they can affect entire OCEAN basins