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Two narrow slits are used to produce a double slit diffraction pattern with monochromatic light (lambda=450 nm) onto a screen that is 9.5 m away. If the distance between two adjacent dark fringes near the center of the pattern is 1.5 cm, what is the separation between the slits?
A certain kind of glass has an index of refraction of 1.648 for blue light of wavelength 439 nm and an index of refraction of 1.619 for red light of wavelength 677 nm
A 15 V constant voltage battery is connected to 120 kΩ resistora. How many electrons pass through the resistor each second
A 0.70-m-diameter vat of liquid is 2.7m deep. The pressure at the bottom of the vat is 1.5atm. What is the mass of the liquid in the vat
Light has a wavelength of 299.3 nm and a frequency of 7.403 × 1014 Hz when traveling through a certain substance. What is the refraction index of this medium
A tungsten wire has a radius of 0.065 mm and is heated from 20.0 to 1425 oC. The temperature coefficient of resistivity is ? = 4.5 x 10-3 (Co)-1. When 190 V is applied across the ends of the hot wire, a current of 1.4 A is produced. How long is the w..
A pilot claims to have seen a UFO moving initially at the speed of about 440 m/s in an easterly direction and then, in a tie interval of only 1.0s turning 45 degrees and moving souutheast at 440 m/s
A bicycle whose tires have a diameter of .700 m accelerates from rest at a constant rate, Find the angular acceleration of the wheels
A proton is passing through a uniform, 0.500-T magnetic field and is directed along the x axis. find the pitch of the helix
Estimate the spacing between the two irrandiance maxima closest to the geometric of a plain wave illuminated straightedge if the source distance is 10.0 cm and the observation distance is 20.0 cm. Assume wavelength=632.8 nm.
A bullet with a mass of 4.0 g and a speed of 650 m/s is fired at a block of wood with a mass of 0.095 kg. What is the speed of the bullet when it exits the block
A planet Z has a hole bored in it at its equator , and a shaft of light from it's star goes straight down that hole to the bottom, what is the circumference and radius of planet Z
Positive charges with magnitudes 3.50 mC and 6.75mC are located at the origin and at the point (10,0) metters on the x axis, respectively. What are the strength and direction of the field they generate at the point (0,10) on the y axis?
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