In the Rutherford alpha scattering experiment, most particles passed straight through the foil with little or no deflection. What can be deduced about the structure of the atom from this?
Answer: Most of the atom's mass must be concentrated in a small area at the centre of the atom. This is known as the nucleus.
MR
Related Physics A Level answers
All answers ▸An electrical heater supplies 500J of heat energy to a copper cylinder of mass 32.4g Find the increase in temperature of the cylinder. (Specific heat capacity of copper = 385 J*kg^-1*Celsius^-1
A capacitor discharge circuit of time constant 45ms includes a capacitor and resistor. The capacitor has a capacitance of 18µF What is the resistance of the resistor?
Define Newtons law of Gravitation (in words or an equation).
Why is the centripetal force necessary for circular motion?