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Radiation and Radioactivity
Investigator of radioactivity discovered that certain natural elements, primarily the very heavy ones, have unstable nuclei that disintegrate to emit various rays –alpha (α) ,beta(β) and gamma(γ) rays.
Q. The half life period of 84Po218 is 3 minutes. What percentage of the sample has decayed in 15 minutes? 1 HLP = 3 minutes In 15 minutes, there are 3 HLPs The remaining
Uses of Transistor: In a transistor the base current it plays a significant role in the collector current IC. A small change in the base current forms a large change in the col
Ask question #HOW CAN WE EXPRESS A LCR CIRCUIT IN PYTHON PROGRAMMING LANGUAGE#
The truss shown below supports is fastened to the supports at A & E. Each member of the truss is made of the same uniform material that has a weight in kiloNewtons per metre (kN/m
Hexane is throttled from 18.15 bar, 507.6 K to 0.1 bar. Determine the temperature at the exit and the entropy generation. Steam is cooled under constant pressure from 400 o C,
A 2350-kg granite tombstone absorbs 2.8 x 107 J of energy from the Sun to change its temperature from 5.0°C at night to 20.0°C during an autumn day.
Force: push or pull upon an object resulting from the object's dealings with another object. Whenever there is an interaction among two objects, there is a force upon every of
Q. Under fixed exchange rate, show using a figure, the effects of an expansionary fiscal policy. Show the equilibrium under a flexible exchange rate. Discuss the difference in t
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
What are the basic reasons for loss of residual magnetism? How do you get it? What is the requireable and maximum DC voltage is to be applied to get back the residual magnetism?
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