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Consider the re?ection of light from a soap bubble. The bubble is a thin film of water with air on both sides. Find the minimum thickness (nm) of the bubble so that reflected light constructively interferes when the wavelength is 500 nm (in air). Assume that the incident light is normal to the surface of the bubble. The index of refraction of water is 1.333.
An electron and a proton move on concentric circular path in the plane of your paper, in a magnetic field that is perpendicular to the plane and is oriented towards you. Which particle follows the smaller circle
an airplane with a wingspan of 100m flies parallel to the earth's surface at a point where the downward component of the earth's magnetic field is 0.500 x 10^-4 T. what is the reading of the voltmeter
A -2.47 ?C charge is placed at the center of a conducting spherical shell, and a total charge of +8.70, Calculate the total charge on the outer surface of the conductor
What is the neutron's kinetic energy and Find the momentum of a 25.0 keV x-ray photon
A hypodermic syringe contains a medicine with the density of water, Determine the speed of the medicine as it leaves the needle's tip
A heat pipe is a device developed by NASA for efficiently transmitting thermal energy while in space. A heat pipe is to be constructed using a rigid pipe with a volume of 0.0002·m3, What is the specific and total internal energy of the water
A 120 g ball moving at 0.45m/s in the +x-direction is subject to a 0.15 N force in the -y-direction for 3.0 s. Find the ball's final speed
The height of a door is measured by four people and their measured values are 217.0 cm, 217.9 cm, 217.3 cm, and 217.6 cm, What is the standard deviation for the four measurements
A fictional spaceship accelerates at a constant rate of 0.104 m/s2. How long would it take to reach the moon, 4.08 108 m away
A biologist keeps a specimen of his favourite beetle embedded in a cube of polystyrene plastic. What is the beetle's actual distance beneath the surface
Calculate the size of the smallest object on Mars that this telescope can resolve. Assume Mars is at its closest distance 7.8 × 1010 m from the Earth
A thin glass rod is submerged in oil. What is the critical angle for light traveling inside the rod
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