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Two slits spaced 0.280mm apart are placed 0.640m from a screen and illuminated by coherent light with a wavelength of 680nm . The intensity at the center of the central maximum (?=0?) is I0.
What is the distance on the screen from the center of the central maximum to the first minimum?
What is the distance on the screen from the center of the central maximum to the point where the intensity has fallen to I0/2?
After being accelerated to a speed of 1.62×105m/s , the particle enters a uniform magnetic field of strength 1.00T, Find the ratio m/q for this particle
A converging lens can be used as a lighter (on a sunny day). If you want to use it to light a match, where should you put the match, What is the radius of the mirror
Find the flow rate of sludge and thickened sludge, salt concentration, water flow rate and pumping rate of a reservoir.
What is the magnitude of the free-fall acceleration of a ball (mass m) due to the Earth's gravity at an altitude of 3R, where R is the radius of the Earth
How far should you place the lens from the slide. Express the direction as an angle with respect to the +x axis.
An object, at the top of a very tall building, is released from rest and falls freely due to gravity. Neglect air resistance and calculate the distance covered by the object between times t1 = 5.57 s and t2 = 7.59 s after it is released.
Two parallel conductive plates of area 0.3m2 hold equal-but-opposite charges of magnitude 30?C on either side. calculate the electric field between the plates
An open-pit coal mine consumes 71hectares of land, down to a depth of 23m, each year. What volume of earth, in cubic kilometres, is separate in this time.
A permanent magnet is hung from a string ( balanced ) and pointed in an East - West orientation and released. Describe its motion
The springs of a 1500kg car compress 6.0mmwhen its 61kg driver gets into the driver's seat. what will be the frequency of oscillations
In the deep space between galaxies, the density of atoms is as low as 1X10^6 atoms/m^3, and the temperature is a frigid 270 K. If this volume is a cube, what is the length of its sides in kilometers
A series RLC circuit has components with the following values: L = 22.0 mH, C = 86.0 nF, R = 25.0 ?, and ?Vmax = 100 V, with ?v = ?Vmax sin ?t. Find the resonant frequency of the circuit.
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