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Find the lowest frequency for which destructive interference
Two loudspeakers, A and B, are driven by the same amplifier and emit sinusoidal waves in phase. Speaker B is 2.00 m to the right of speaker A. Consider point Q along the extension of the line connecting the speakers, 1.00 m to the right of speaker B. Both speakers emit sound waves that travel directly from the speaker to point Q. a) What is the lowest frequency for which constructive interference occurs at point Q? b) What is the lowest frequency for which destructive interference occurs at point Q?
define capacitor filter briefly?
In a Newton's ring set up, the gap between the glass plate and the lens is filled with a transparent liquid. If the liquid is replaced by a second liquid, the rings shrink. Which o
Silicon has 1.45 x 10 10 free electrons/cm 3 at room temperature. If you wanted to have 3x10 6 as many electrons from arsenic doping as thermal free electrons from silicon at ro
What is the condition for resonance? Condition for resonance: The condition of frequency of the oscillatory circuit is equal to frequency of the vibrating rod as: 1/(2 Π
In a Newton's rings arrangement the diameter of a bright ring is 0.5cm. Determine the diameter of ring if the lens placed on the plane glass plate is replaced by another one having
a pendulum is timed ,first for 20 swings and then for 50 swings ; time for 20 swings = 17.4 sec and time for 50 sec = 43.2. calculate the average time per swing/
Induced electric currents can be explained using which of the following laws? a) Gauss's Law b) Faraday's Law c) Ohm's Law d) Ampere's Law Ans: Induced e
A current transformer has two turns on the primary winding and a secondary winding of 260 turns. The secondary winding is connected to an ammeter with a resistance of 0.2.The
If the temperature in a room is 84 degrees at the floor what will it be at a 30 foot ceiling
The coherent & rationalized system of units, derived through the m.k.s. system (that itself is derived from the metric system) in common employ in physics today.
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