Question

5. Write short note on the following:-
a. Echo
b. Hercules
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Answer 1

Explanation:

a) About Echo

The repetition of sound caused by reflection of sound waves from an obstacle is known as an echo. ... To hear a distinct echo, the time interval between the original and reflected sound must be at least 0.1 .

b)About Hercules

Hercules (known in Greek as Heracles or Herakles) is one of the best-known heroes in Greek and Roman mythology. His life was not easy–he endured many trials and completed many daunting tasks–but the reward for his suffering was a promise that he would live forever among the gods at Mount Olympus.

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Answer 2

Answer:

Answer. The repetition of sound caused by reflection of sound waves from an obstacle is known as an echo. The sensation of sound persists in our brain for about 0.1 s. To hear a distinct echo, the time interval between the original and reflected sound must be at least 0.1 s.

Hercules (/ˈhɜːrkjuliːz, -jə-/) is a Roman hero and god. He was the Roman equivalent of the Greek divine hero Heracles, who was the son of Zeus (Roman equivalent Jupiter) and the mortal Alcmene. In classical mythology, Hercules is famous for his strength and for his numerous far-ranging adventures.