I think the correct answer is C
Answer:
Explanation:
From the question we are told that
Distance b/w A&B 
Frequency 
Sound speed 
Generally the equation for wavelength is mathematically given as
Generally the destructive interference X is mathematically given by
Therefore the destructive interference is
The parts of the cell are mitochondria, lysosomes, ribosomes etc. Their functions are as follows :
(1) Vesicle is a one of the large structure within the cell. Its function is to transfer materials out of the cell.
(2) Mitochondria is also called the power house of the cell. Its function is to break down sugar to supply energy for the cell.
(3) Lysosomes are the suicidal bag of the cell. It breaks down waste and other materials of the cell.
(4) Endoplasmic reticulum helps to produce, process and transport proteins in vesicles to the Golgi apparatus.
Can you write in English so I can help you
Based on the given description above about the metal that is being used for fractures, the old metal coating that was used before was made of TIN, and now, the metal that is used to repair fractures in order to avoid further corrosion is ALUMINUM. Hope this answer helps.
