Why are paths of the alpha particles deflected by the nucleus in this figure?
a. They bounce off each other just like billiard balls do.
b. Because of the electrostatic repulsion of particles with the same sign of charge.
c. This is predicted by Thomson's plum pudding model of the nucleus.
d. Because electrons outside the nucleus are repelling the alpha particle.
e. Because of the forces holding the protons and neutrons together inside the nucleus.
b
You might also like to view...
Two equal point charges are separated by a distance d. When the separation is reduced to d/4, what happens to the force between the charges?
A. it decreases by a factor of 4 B. it increases by a factor of 4 C. it increases by a factor of 8 D. it increases by a factor of 16 E. it increases by a factor of more than 16
According to the nebular theory, what are asteroids and comets?
A) leftover planetesimals that never accreted into planets B) chunks of rock or ice that condensed long after the planets had formed C) the shattered remains of collisions between moons D) the shattered remains of collisions between planets E) chunks of rock or ice that have been expelled from the planets by volcanoes
"Local observations made in an accelerated frame of reference cannot be distinguished from observations made in a gravitational field" is known as the principle of
A) equivalence. B) equality. C) equanimity. D) interchangeability.