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Red light (n = 1.520) and violet light (n =1.538) traveling in air are incident on a slab of crown glass. Bothcolors enter the glass at the same angle of refraction. The redlight has an angle of incidence of 30.5°. What is the angle ofincidence of the violet light?
A plate of glass with parallel faces having a refractive index of 1.57 is resting on the surface of water in tank. A ray of light coming from above in air makes an angle of incidence 34.5 degrees with normal to the top surface of the glass.
q1. an 1100- car is held in place by a light cable on a very smooth frictionless ramp. the cable makes an angle of 31.0
A 5.00 partridge is suspended from a pear tree by an ideal spring of negligible mass. When the partridge is pulled down 0.100 below its equilibrium position and released, it vibrates with a period of 4.20
A spring has force constant 8.3 Nm^-1. A 0.075kg mass is hung on the end of the spring.
Two parallel plates, each of area 8.17 cm2, are separated by 6.20 mm, Calculate the amount of the electric charge stored on each plate
A container with a one-liter capacity at 27°C is filled with helium to a pressure of 2 atm. (1 atm = 1.0x10^5 N/m^2.) How many moles of helium does it hold
When 215 g of a substance is heated to 330degrees Celcius andthen plunged into a 100-g aluminum calorimeter cup containing 150 gof water at 12.5degrees celcius, What is the specific heat of the substance
Two consecutive frequencies are 500 Hz and 540 Hz. ( Stringed instrument; closed-closed) Calculate the fundamental frequency
A compound microscope has a barrel whose length is 16.3 cm and an eyepiece whose focal length is 1.3 cm. What focal length must the objective have so the angular magnification of the microscope is -250
A parachutist and her parachuting equipment have the combined mass of 121 kg. Her terminal velocity is 5.30 m/s with the parachute open. Her parachute has a cross-sectional area of 35.80 m^2. The density of air at that altitude is 1.23kg/m^3. What is..
A copper cable is designed to carry a current of 340 A with a power loss of 4.80 W/m. What is the required radius of this cable
What should be the minimum initial speed of the dart so that combination makes a complete circular loop after the collision. find the minimum diameter of the raft that would prevent the diamond from being seen.
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