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In certain ranges of a piano keyboard, more than one string is tuned to the same note to provide extra loudness. For example, the note at 110 Hz has two strings at this frequency. If one string slips from its normal tension of 600 N to 540 N, what beat frequency is heard when the hammer strikes the two strings simultaneously?
Historical development of atomic models In olden days there was an idea that all matter is made of tiny indivisible particles. When Thomson discovered electron, this idea
theory
.Define like and unlike parallel forces
Describe Kirchoff's Voltage Law? Ans. It describe, " the sum of the Voltage drops around a DC series circuit same to the applied voltage or source. E = E 1 + E 2 = E 3 .
A manufacturer of light bulbs advertises that its 55-W bulb, which produces 800.0 lm of light output, gives almost the similar light as a 60.0-W bulb with an energy savings. Th
A 30-g car rolls from a hill 12 cm high and is traveling at 154 cm/s as it travels along a 275 cm horizontal track. What is the momentum of the car?
Define the term Mach-Zchnder Interferrometer. Mach-Zchnder Interferrometer The Mach-Zehnder interferometer is a device utilized to find out the phase shift caused through a
What is the Directionality of LASER? Directionality: Laser emits light which is highly directional. Laser light is emitted like a relatively narrow beam in an exact direction.
A Rayleigh interferometer (as shown in the figure below) can be used to measure the index of refraction of air. Two transparent tubes (T 1 and T 2 ) are placed behind two slits. O
The phenomenon of decomposition of electrolyte solution into ions on passing the current by it is called electrolysis. Practical functions of electrolysis are Electrotyping, ext
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