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Q1. Light of wavelength 443 nm in air enters a fishbowl filled with water, then exits through the crown glass wall of the container. Find out the wavelengths of the light (a) in the water and (b) in the glass.
Q2. A 16 cm x 16 cm square loop of wire lies in xy-plane with its bottom edge on the x-axis. The resistance of the loop is 0.490 ohms. A magnetic field parallel to z-axis is given by B= 0.830 y^2 t, where B is in tesla, y in meters, and t in seconds. What is the size of the induced current in the loop at t = 0.470s?
Explain how much mechanical energy is lost due to friction acting on the runner? How far does he slide?
One solenoid is centered inside another. The outer one has a length of 46.0cm and contains 6600 coils, Find the emf induced in the inner solenoid
A 12.00kg runaway grocery cart runs into a spring with spring constant 260-N/m and compresses it by 65 cm. What was the speed of the cart just before it hit spring.
question1while johny is travelling all along an interstate highway he notices a 143 mile marker as he passes through
A farsighted person can read printing as close as 25.0 cm when she wears contacts that have a focal length of 44.6 cm. What is the maximum angular magnification that the magnifying glass can provide for her
At time a grinding wheel has an angular velocity of 21.0. It has a constant angular acceleration of 26.0 until a circuit breaker trips at time = 1.6. From then on, the wheel turns through an angle of 435 as it coasts to a stop at constant angular dec..
A puck of mass m1 = 63g and radius r1 = 4.30 cm glides across an air table at a speed of = 1.50 m/s. It makes a glancing collision with a second puck of radius r2 = 6.00 cm and mass m2 = 115 g (initially at rest) such that their rims just touch.
After inverting the tube 100 times, the temperature of the lead shot is found to have increased by 30C
Infrared photons cause a particular piece of metal to emit photoelectrons. Would photoelectrons be emitted when the metal is illuminated by visible light?
An outside loudspeaker (considered a small source) emits sound waves with a power output of 120 W. Find the intensity level in decibels at that distance
On the planet Arrakis, a male ornithoid is flying toward his stationary mate at 24.0m/s while singing at a frequency of 1190Hz. what is the speed of sound in the atmosphere of Arrakis
A point source of light is submerged 2.2 m below the surface of a lake and emits rays in all directions. What is the maximum radius that this circle could have
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