Answer Posted / 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 |
Post New Answer View All Answers
What are the factors that affect the viscosity of a liquid?
What is the chemical formula of alum?
Do all explosions produce carbon dioxide or carbon monoxide?
What is si unit of viscosity-coefficient?
What is determining factor in the oxidation reduction reaction?
State beer’s law.
In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?
can we Consider the Purity threshold and Purity angle in place of peak purity for the specificity test for method verification
What is titration?
State beer-lambert’s law.
Mention a few application of cod test in environmental engineering practice.
What is the resulting solution when benzene and toluene are mixed ?
Why is the color of the indicator drop remains the same at the end point?
What forms the basis for colorimetric determination?
What is glacial acetic acid? What are its uses?