Calculate the height of the potential barrier for a head on collision of two deuterons. (Hint: The height of the potential barrier is given by the Coulomb repulsion between the two deuterons when they just touch each other. Assume that they can be taken as hard spheres of radius 2.0 fm.)

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When two deuterons collide head-on, the distance between their centres, d is given as: Radius of 1st deuteron + Radius of 2nd deuteron Radius of a deuteron nucleus = 2 fm = 2 × 10−15 m ∴d = 2 × 10−15 + 2 × 10−15 = 4 × 10−15 m Charge on a deuteron...
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When two deuterons collide head-on, the distance between their centres,dis given as: Radius of 1stdeuteron + Radius of 2nddeuteron Radius of a deuteron nucleus = 2 fm = 2×10−15m ∴d= 2×10−15+ 2×10−15= 4×10−15m Charge on a deuteron nucleus = Charge on an electron =e= 1.6×10−19C Potential energy of the two-deuteron system: Where, = Permittivity of free space Hence, the height of the potential barrier of the two-deuteron system is 360 keV. read less
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