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Light of wavelength 650 nm is incident generally on a glass plate which rests on a second glass plate so that they touch at one end and are held apart with a hair of diameter 0.0325 mm at the other end. How far apart are adjacent bright fringes in the interference pattern?
A string with both ends held fixed is vibrating in its third harmonic. The waves have a speed of 192m/s and a frequency of 200Hz. Calculate the maximum transverse velocity of the string at this point
a simple pendulum has a length l of 1 m. in free vibration the amplitude of its swings falls off by a factor e in 50
Light of wavelength 60nm illuminates a hydrogen atom in an excited state. What energy level was the electron in initially
The planet Neptune has a satellite, Proteus, which travels in an orbit 1.180*10^8 m with a period of 1.12 days. Calculate the mass of Neptune
A machine part rotates at an angular speed of 0.66 rad/s; its speed is then increased to 3.0 rad/s at an angular acceleration of 0.66 rad/s2. Find the angle through which the part rotates
A plate of glass with parallel faces having a refractive index of 1.46 is resting on the surface of water in a tank. What angle does the ray refracted into the water make with the normal to the surface? Use 1.33 for the index of refraction of water
A person, with his ear to the ground, sees a huge stone strike the concrete pavement. How far away did the impact occur
john carries one heavy box and kicks the other box so that it slides for a little bit and then stops and he continues
The primary coil of a step-up transformer is connected across the therminals of a standard wall socket, and resistor 1 with a resistance R1 is connected across the secondary coil. The current in the resistor is then measured.
An airplane traveling at half the speed of sound emits a sound of frequency 5.45 kHz. At what frequency does a stationary listener hear the sound
freight car with mass of 25000 kg rolls down an inclined track through a vertical distance of 1.5 m. What percentage of the initial kinetic energy is lost
One cue your hearing system utilizes to localize a sound (ie. to tell where a sound is coming from) is the slight dissimilarity in the arrival times of the sound at your ears. Your ears are spaced approximately 20 cm apart. Consider a sound source 5...
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