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Your task in physics lab is to make a microscope from two lenses. One lens has a focal length of 2 cm, the other a focal length of 1 cm. You plan to use the more powerful lens as the objective, and you want its image to be 16 cm from the lens, as in a standard biological microscope.
What will be the magnification of your microscope?
The distance between 2 slits (d=0.155 mm) and a screen is 1.54 m. If the spacing between the 2nd order bright fringe and the 3rd order dark fringe is 3.50 mm obtain the wavelength of the light
A projectile is shot from the ground at an angle of 55 degrees with respect to the horizontal, and it lands on the ground 5 seconds later. find the horizontal component of initial velocity
In a region where there is an electric field, the electric forces do +8.00x 10^-19 J of work on an electron as it moves from point X to point Y.What is the potential difference, VY - VX, between point Y and point X?
A projectile is fired from the surface of the Earth with a speed 200 meters per second at an angle of 30 degrees above the horizontal. what is the maximum height reached by the projectile
To fit a contact lens to a patient's eye, a keratometer can be used to measure the curvature of the cornea-the front surface of the eye. Determine the radius of curvature of the cornea
Water at 2 kg/s is the working fluid in the power cycle shown below. Saturated liquid at 10 kPa enters the pump, What is the overall efficiency of the entire cycle
The 200 g head of a golf club moves at 40 m/s in a circular ARC of 1.2 m radius. How much force must the player exert on the handle of the club to prevent it from flying out of her hands at the bottom of swing? Ignore the mass of the club's shaft.
Oppositely charged parallel plates are separated by 4.52 mm. A potential difference of 600 V exists between the plates. (a) What is the magnitude of the electric field between the plates?
Given: A 23.0\mu F capacitor is charged by a 135.0-V power supply, then disconnected from the power and connected in series with a 0.270-mH inductor.
Gas is contained in a 9.00-L vessel at a temperature of 24.0°C and a pressure of 6.00 atm. How many molecules are in the vessel
A certain atom has an energy level 3.70eV above the ground state. When excited to this state, it remains 9.00%u03BCs , What is the wavelength of the photon
Waves travel along a 100-m length of string with a mass of 55 g, which is held taut by a tension of 75 N. What is the speed of the waves
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