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In the thin lens equation first prove that Zz = f*f (Hint use this diagram along with the characteristics of similar triangles). Then use this equation along with the act that Z^ = Z + f, z^ = z + f to prove the thin lens equation, which is equation 2.2 in the book. What are the two values of z^ for the cases where Z^ is plus infinity, and where Z^ = f.
Pfund series: The series which define the emission spectrum of hydrogen while the electron is jumping to the fifth orbital. All lines are in the infrared portion of the spectr
A 65g ball with a diameter of 3.1cm begins at rest and rolls down an incline. The angular acceleration of the ball is a constant 0.55rad/s2. ( I ball=(2/5)mr2 ) Calculate the net t
A cooling drum consists of a (horizontally) rotating, large stainless steel cylinder. The cylinder has a diameter D and a width of W. The cooling at the inside of the drum is so ef
A serviceable spring balance The quality of rubber deteriorates rather rapidly in unfavourable climatic conditions; a coiled steel spring is preferable. The pattern defined ha
Electric Current: Electric current may be described as the rate of flow of charge. I=q/T Where, I = electric current q = charge T = time The unit of current i
Electron distribution: The atoms of a solid have electrons rotating in orbits around the positive nucleus. This is true of gases and liquids as well. These orbiting electrons
Q. Evaluate Height of Water in Tank? A water tank has spiral a small leak at a point 2 feet from its base on the ground. A second leak sprightly over the first is 5 feet from t
What is a zone plate? How is it constructed? Show that a zone plate behaves like a convex lens. Deduce the expression for its focal length
Uniform Circular Motion Uniform circular motion could be elaborates as the motion of an object within a circle at a constant speed. As an object moves within a circle, it is co
The specific resistance of copper is 1.7ohm. find the resistance of copper wire of length 10m and diameter 1mm. solution) R=ρ*l/A so ou have ρ,l and r(radius). you can use the f
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