Why is sometimes a succession of echoes heard ?
Answer / guest
When there are two opposite reflecting surface at a proper
distance, reflection of sound waves takes place
alternatively form the two walls. When there are a number of
surfaces at suitable distance, then reflection of sound
takes place t all such surfaces, and hence a succession of
echoes is heard.
| Is This Answer Correct ? | 0 Yes | 0 No |
Explain the Conversion of atmospheric Nitrogen to plant ?
What are hard waters?
If the stopper if a bottle has stuck, sometimes it may be removed by heating the neck, why ?
What is the molarity of a NaOH solution if 32.47ml. isrequired to titrate 0.6013g of potassium hydrogen phthalate?
Explain the Compound?
What is protein - according to chemistry?
How can fresh water be made from salt water ?
Why does a dog hang out his tongue, when it is hot ?
What is buffer?
why we shrink our body during cold
Why is disodium salt of edta preferred to edta?
Define Atom ?