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Plot the Bremsstrahlung emitted (intensity vs energy) from a copper target for (i) both 15 keV and 30 keV electrons, (ii) for 15 keV electrons at both 10 and 50 mA current and (iii) for copper and molybdenum targets for 15 keV at 50 mA. Briefly discuss the impact of electron energy, electron current and target on the Bremsstrahlung generated.
An SEM offers a minimum magnification of 10x and a maximum magnification of 500,000x. For the lowest and highest magnification what would be the length scanned on the sample assuming a working distance of 5 mm and the final of image of 125 x125 mm displayed on a monitor.
A satellite is orbiting around a planet. its velocity is found to depend upon a.)Radius of orbit b.)mass of planet c.)universal gravitational constant(G) Using dimensional analysis
A wooden ring stand The bottom for this ring stand is made from a piece of wood 40 cm long, 15 cm wide and 1 cm thick. A whole 1 cm in diameter is bored by the centre of the ba
An object is placed 25.0cm from a thin converging lens. A screen is positioned so that a sharp image of the object is seen on the screen. When the object is moved 4.0cm closer to t
Graphs of current against voltage for two resistors P and Q are shown in Figure. Determine the value of every resistor.
1. Explain the basic features of electricity at a fundamental level? ( Describe the nature of electricity) 2. What part of a cable are conductors and insulators? (Recogini
They are exactly analogous to water pressure and water flow by a hose. That's why flowing electrons is known as a current, just like a water current. Voltage is the electromotiv
Resonance: When the frequency of driving force becomes equivalent to the natural frequency of an oscillating system, the driving force gives maximum energy and the oscillating
Radial is exactly centripetal force?
A 240-turn solenoid having a length of 21 cm and a diameter of 8.8 cm carries a current of 0.44A. Calculate the magnitude of the magnetic field inside the solenoid.
at what frequancy kinetic energy wil start oscilation
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