The distance covered is 25.9 m.
<h3>How deep is the cave?</h3>
We know that the speed of sound refers to the speed with which an sound moves in an object.
Given that;
speed of sound = 345m/s
Time taken = 0.15s
We know that;
v = 2d/t
v = speed of sound
d = distance
t = time taken
vt = 2d
d = vt/2
d = 345m/s * 0.15s/2
d = 25.9 m
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Answer:
<h2>
Work done by the gas is given as</h2><h2>

</h2>
Explanation:
As we know that the process is isothermal so here work done is given as

here we know that


now we have

so we have

Answer: Explanation:
If the number of electrons is equal to the number of protons then the atom is uncharged and is electrically neutral. However, atoms can gain or lose electrons: increasing or decreasing the negative charge. Ionisation is the addition or removal of an electron to create an ion. ..Gaining an electron creates a negative ion.
Answer:
1.
2.
Explanation:
Given that
f₁= 20 Hz
f₂= 20 KHz
C= 305 m/s
For open pie organ :
<u>Shortest length :</u><u>
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<u>Longest length :
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