Answer:
option D
Explanation:
given,
increase the intensity by factor of 9
I₁ = I₀
I₂ = 9 I₀
now,
A₂ = 3 A₁
hence, amplitude increase with the factor of 3
so, the correct answer is option D
Answer:
It loses electrons.
Explanation:
Electrons have a negative charge meaning ,the less electrons there are in an object the stronger the positive charge is.
<span>Pitch and frequency are more or less the same thing - high pitch = high frequency.
The freqency of vibration of a string f = 1/length (L) so as length decreases the frequency increases.</span>
Answer:
A is the answer .(A) is correct
The correct answer is A. Installation of rigid metal conduit requires grounding and the grounding equipment used may weaken the structure.
