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Calculate the maximum electric field associated with a laser beam operated with a 10 mW power supply and a beam diameter of 1.0 mm.
A grating has 350 rulings/mm and is illuminated at normal incidence by white light. A spectrum is formed on a screen 30cm from the grating. what range of wavelength passes throught the hole
A charge q=-1.0 nC is instantaneously at a place where the electric field is 45 kN/C due east. hat are the magnitude and direction of the electron force on this charge
An 800kHz radio signal is detected at a point 6.6 kmdistant from a transmitter tower. The electric field amplitude of the signal at that point is 780mV/m. What is the magnetic field amplitude of the signal at that point
A 20 x microscope objective is designed for use in a microscope with a 17 cm tube length. The objective is marked NA = 0.45. What is the diameter of the objective lens
A microscope has an objective that has a focal length equal to 6.6 mm. what is the laternal magnification of the objective
A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having an internal resistance of 3.50M%u03A9. What is the time constant of the circuit
You are practicing throwing darts in your dorm. You stand 2.89 m from the wall on which the board hangs. Calculate the speed of the dart when it hits the board
A comet has a very elliptical orbit with a period of 123.0 years. what is its greatest distance from the Sun in AU
A 0.534-nm photon collides with a stationary electron. After the collision, the electron moves forward and the photon recoils backwards. Find the momentum of the electron
Imagine that in the distant future NASA lands a manned mission on one of many Jupiter's moons, Calculate the diameter of the moon
Suppose that charges on a dipole antenna oscillate slowly at a rate of 1 cycle/s, and the antenna radiates electromagnetic waves in a region of space. What is the period of the charge oscillation
Four equal charges of +4.9×10-6 C are placed on the corners of one face of a cube of edge length 7.0 cm. calculate the magnitude of the force on the charge
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