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Image that you are flying over New York City looking out the window. To keep your hand luggage within the allowance, you have packed on three lenses: a 28 mm lens, a 50 mm lens and a 150 mm lens.
a) You see the Empire State Building sitting within all other skyscrapers. You want to take photograph that concentrated on only the roof of the Empire State building. Which lens would you use and why?
b) You look down at the meal you have just purchased. You're feeling creative and want to take a photo so that the sandwich in the middle of your tray looks large compared to the cup of coffee off to the side. Which lens would you use and why?
Light is incident on a slit 0.750 mm wide. On a screen 2.00 m away, the distance from the central maximum to the first minimum is 1.35 mm. compute the wavelength of the light.
A rope with 300 g of mass per meter is under 580 N tension. A wave with frequency 3.1 Hz and amplitude 6.5 cm is propagating on the rope
A light input signal is transmitted from the air trough that fiber and then to the air again. If the source input wavelength used was 1550 nm. what are the frequencies of the signals before (f1) entering the fiber, inside (f2) the fiber and after ..
Analog voltmeter A has an equivalent resistance of 2.40 x 105 ? and a full-scale voltage of 50.0 V. What is its full-scale voltage
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 33.5 m/s. It then flies a further distance of 46.9 km and its velocity is 43.1 m/s. Find the airplane's acceleration and calculate how much t..
Assume that the amount of heat removed when 3.5 kilogram of water freezes at 0.0°C were removed from ammonia at its freezing/melting point of -77.8°C. Find how many kilograms of ammonia would freeze
A force of 720 Newton stretches a certain spring a distance of 15 centimeter. Find what is its force constant? If a 60 kilogram mass is hung on it, find how far will it stretch
A 0.300-m-long cylindrical capacitor consists of a solid conducting core with a radius of 1.00mm, Calculate the total charge of the capacitor
A converging lens has a focal length of 0.060m. An object is located 0.030 m to the left of this lens. A secondconverging lens has the same focal length as the first one and islocated 0.120 m to the right of it. Relative to the second lens,where is t..
The system pictured below consists of two blocks of mass m connected via springs to two walls. The springs all have spring constant k. Write the equations of motion for this system. Use as your variables the displacement of each block from its res..
A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 2 g coins stacked over the 11.5 cm mark, the stick is found to balance at the 44.5 cm mark. What is the mass of the meter stick?
A microscope has a 16.8 cm tube length, a 0.64 cm focal length of the objective lens, calculate the microscope's magnification
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