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A coating of n1=1.27 material is to be added to n2=1.49 glass, in order to make it "iridescent." a) What is the thinnest layer of material which will have a reflection maximum for normal-incidence light at BOTH 400 and 600 nm (vacuum) wavelength? b) This thickness will have a reflection minimum at some wavelength between 400 and 600 nm. What is the wavelength of the reflection minimum?
a stone with a mass of 0.80 kg is attached to one end of a string 0.90 m long. Find the maximum speed the stone can attain without breaking the string
An electric field of 220000 N/C points due west at a certain spot. What is the magnitude of the force that acts on a charge of -10C at the spot.
A car travels 90 m due north in 15 seconds. Then the car turns around and travels 40 m due south in 5 seconds. what is the magnitude of the average velocity of the car
An underwater scuba diver sees the sun at an apparent angle of 45.0 degrees above the horizontal. What is the actual elevation angle of the sun above the horizontal
Two strings equal in length and made of the same material are subjected to tensions
A 2.10 x 10^3 kg car starts from rest at the top of a 4.70 m long driveway that is inclined at 25° with the horizontal. If an average friction force of 4.0 x10^3 N impedes motion, find out the speed of the car at the bottom of the driveway.
A clock has a second hand whose tip rubs against the inside of the glass cover. what is the minimum torque that must be applied to the second hand
I am standing on a 5m high platform and throw a 0.2kg ball horizontally with a speed of 10m/s. How fast will it be going when it reaches the ground
Explain how much distance is between you and the deer when you come to a stop? What is the maximum speed you could have and still not hit the deer?
In a 45° - 90° - 45° prism with a ray of light entering and exiting on the long side of the prism after undergoing two total internal reflections. Determine the minimum index of refraction of the prism in order for this to occur
Assume that the Sun radiates like an ideal thermal source at a temperature of 6000 K, What is the intensity of the solar radiation emitted in the range 550.0 nm to 552.0 nm
In a velocity selector, the uniform magnetic field of 1.6 T is produced by a large magnet. What voltage should be applied across the plates
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