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Q. Find the minimum wavelength of X-rays produced by an X-ray tube operating at 1000 kV.
λmin = 12400 A0 / V
Therefore λmin = 12400 X 10-10 / 10 6
= 0.0124 A0
What is index fiber? How you define the modes in an optical fiber? Give a relation between core diameter and numerical aperture. Ans.: The index profile of a single mode fi
A uniform ring has a radius R with centre C. A nd B are 2 pts on the circumference.such that angle theta is 60 0 .find the equivalent resistance between pt A and B? solution) le
what is power of lens?
if in an interference pattern,the ratio between maximum and minimum intensities is 36:1,find the ratio between the amplitude and intensities of the two interfering waves.
A passenger sitting in the rear of a bus claims that she was injured as the driver slammed on the breaks, causing a suitcase to come flying towards he from the front of the bus. If
The rate of flow of energy or particles across a given surface.
Show the types of chromatic aberration. What do you understand by Fraunhoffer lines? Explain their origin.
Q. Two wires of same material and same length have resistances 5 and 10 respectively. Find the ratio of radii of the two wires. R = ρl / A = ρl / πr 2 R 1 = ρl / A = ρl
In a perfect instrument the zeros of the major scale and circular scale coincides with each other, in that situation screw gauge has zero-error, or else the measurement device is s
1. An ionization chamber is used on Tuesday (T=22°C, P=760mmHg) and then on Wednesday (T=25°C, P=740 mmHg) to monitor the output from an x-ray tube. If the output from the tube is
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