particles
were bombarded on the gold foil, compute the number of a-particles that would
deflect at angles less than 50°.
Answer:
Total number of α - particles used for bombardment =
1
mole 1 mole = 6.022 x 1023 particles.
Number of a-particles deflected at angles greater than
50° (> 50° ) = 1% (Given)
Number
of 
particles
deflected at the angles less than 50° = 100 - 1 = 99%
Actual
number of α - particles
deflected at the angles less than
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