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Q. A flat sheet of crown glass has a thickness of 1.8 cm. It is on top of a flat sheet of diamond that has a thickness of 1.7 cm. Light strikes the crown glass perpendicularly and travels through it and then through the diamond. In the time it takes the light to travel through the two sheets, how far would it have traveled in a vacuum?
Q. A paperweight is made of a solid glass hemisphere with index of refraction 1.50. The radius of the circular cross section is 4.0cm. The hemisphere is placed on its flat surface, with the centre directly over a 2.5mm long line drawn on a sheet of paper. What lenght of line is seen by someone looking vertically down on the hemisphere?
Calculate the energy associated with the magnetic field of a 191 turn solenoid in which a current of 2.44. A produces a magnetic flux of 3.74 x 10-4 T • m2 in each turn.
Concept to find certain type of electronic devices & circuits.
The displacement of an object moving under uniform acceleration is some function of time and the acceleration. Suppose we write this displacement as s=ka^mt^n, where k is the dimensional constant. Show by dimensional analysis that this expression ..
Two speakers, one directly behind the other, are each generating a 429-Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? Take the speed of ..
What is maximal speed v of the elevator
A hollow aluminium cylinder 20 cm deep has an internal capacity of 2.000 L at 20.00C. It is completely filled with turpentine and then warmed to 80.00C. (i) How much turpentine overflows? (ii) If it is then cooled back to 20.00 C, how far below th..
Determine the coefficient of kinetic friction between the block & the table.
A rectangular block of ice 9.00 m on each side and 0.7 m thick floats in sea water. The density of the sea water is 1025kg/m3. The density of ice is 919kg/m3. How high does the top of the ice block float above the water level.
What is the kinetic energy of α particle while it reaches the other plate? The distance between the plates is 33 cm.
What is the gauge pressure of the water at the pump? Suppose steady, laminar flow of water, no viscosity, and no air drag on the water jet. The acceleration of gravity is 9.81 m/s2.
What is order of the layers from top to bottom
What is the wavelength of the light in the glass
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