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A beam of light of a single wavelength is incident perpendicularly on a double-slit arrangement, as in the figure below. The slit widths are each 56 µm and the slit separation is 0.36 mm. How many complete bright fringes appear between the two first-order minima of the diffraction pattern?
The eye is a multiple lens system, but can be thought of as a single lens system for the purpose of this discussion. What is the effective focal length of the eye
A glass plate having parallel faces and a refractive index of 1.55 lies at the bottom of a liquid of refractive index 1.62. Compute the angle of refraction of this light in the glass
Determine the dimentions (in cm) of a rectangular aluminum block (also 40 cm long) that would have the same resistance between the farthest opposing sides as the silver block (part a)
A 6 m board of mass 5 kg is hinged at one end, with a 60 kg block nesting on the board 202 cm from the hinge. Find the force exerted by the hinge at this angle
You and Maria each own identical spaceships. As you fly past Maria, you measure her ship to be 85m long and your own ship to be 100 m long. How fast is Maria moving relative to you
A ball is thrown directly downward with an initial speed of 7.80 m/s from a height of 29.4 m. After what time interval does it strike the ground
A potential difference of 4.75 kV is established between parallel plates in air. what is the minimum separation the plates can have without ionizing the air
One of the weapons considered for the "Star Wars" antimissile system is a laser that could destroy ballistic missiles. When a high-power laser is used in the Earth's atmosphere, the electric field can ionize the air, turning it into a conducting p..
An object is 1.6 m to the left of a lens of focal length 0.92 m. A second lens of focal length -3.7 m is 0.62 m to the right of the first lens. Find the distance between the object and the final image formed by the second lens
A spaceship is measured to be 120 m long while it is at rest with respect to an observer. If the spaceship now flies past the observer with a speed of .99c, what length would the observer measure of the spaceship.
Imagine that we connect a formula36.mml lightbulb and an formula37.mml lightbulb in parallel and connect the set to a 19-V battery
An electric dipole of dipole moment 4.5 x 10-9 C·m is in a 250 N/C electric field, what is the potential energy
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