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Two narrow slits 50 microns apart are illuminated with light of wavelength 500nm. What is the angle of the m = 2 bright fringe in degrees? What is the highest possible value of the order number m here? Explain?
A person's body is covered with 1.69 m2 of wool clothing. The thickness of the wool is 2.12 × 10-3 m. How much heat per second does the person lose due to conduction
Two protons and and alpha particle are held at rest at the cornersof an equilateral triangle whose side length is8.00x10-10m. What is their total energy when they are far apart
A beam of light traveling in air strikes a very smooth water surface in a glass bowl at an angle of incidence of 35 degrees. Prove that the emergent beam is parallel to the incident beam
What fractional increase in tension of one wire will lead to the occurrence of 2 beats/s when both wires oscillate simultaneously.
An instructor wants to use a lens to project a real image of a light bulb onto a screen 2.27 m from the bulb. what focal length lens will be needed
Find the quantum uncertainty of the position of a car along its direction of motion. Assume that the mass of the car is 1840 kg and its speed is known with accuracy ?v = 1 km/hour
A woman can read the large print in a newspaper only when it is at a distance of 65 cm or more from her eyes. What should be the refractive power (in diopters) of her glasses
If 7 V is applied to the above circuit and the voltage across the first lamp is 1 V, what is the voltage across the second lamp
A passenger car traveling down a rough road bounces up and down at 1.3 Hz with a maximum vertical acceleration of 0.20 m/s^2, What is the maximum speed of the oscillation
A solid block is attached to a spring scale. When the block is suspended in air, the scale reads 21.1 N; when it is completely immersed in water, What is the volume of the block
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of the car pushing upward on her with a force equal to twice her weight as she goes through the dip.
A horse draws a sled horizontally across a snow-covered field. The coefficient of friction between the sled and the snow is 0.175, and the mass of the sled, what is the power needed to accomplish this
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