Podcast
Questions and Answers
What was the purpose of using a beam of small positively charged particles (α-particles) in the experiment?
What was the purpose of using a beam of small positively charged particles (α-particles) in the experiment?
Why did Rutherford use a special coating of zinc sulphide on the photographic plate?
Why did Rutherford use a special coating of zinc sulphide on the photographic plate?
What conclusion did Rutherford draw from the observation that few α-particles bounced back in the direction from which they had come?
What conclusion did Rutherford draw from the observation that few α-particles bounced back in the direction from which they had come?
Why did almost all of the particles penetrate the foil either undeflected or with only a slight deflection?
Why did almost all of the particles penetrate the foil either undeflected or with only a slight deflection?
Signup and view all the answers
What does the scattering of α-particles at a large angle suggest about the structure of an atom?
What does the scattering of α-particles at a large angle suggest about the structure of an atom?
Signup and view all the answers
Why did Rutherford conclude that whenever an α-particle came close to the nucleus, it experienced a large repulsive force and therefore a large deflection?
Why did Rutherford conclude that whenever an α-particle came close to the nucleus, it experienced a large repulsive force and therefore a large deflection?
Signup and view all the answers
According to Rutherford's atomic model, what is the nucleus of an atom primarily composed of?
According to Rutherford's atomic model, what is the nucleus of an atom primarily composed of?
Signup and view all the answers
What phenomenon could not be explained by Rutherford's atomic model?
What phenomenon could not be explained by Rutherford's atomic model?
Signup and view all the answers
What is the term used to describe a set of colors into which a beam of light can be separated?
What is the term used to describe a set of colors into which a beam of light can be separated?
Signup and view all the answers
Which type of spectrum is defined as containing breaks or gaps in terms of the wavelengths included?
Which type of spectrum is defined as containing breaks or gaps in terms of the wavelengths included?
Signup and view all the answers
What does the emission of electromagnetic radiations by atoms result in?
What does the emission of electromagnetic radiations by atoms result in?
Signup and view all the answers
Why could Rutherford's atomic model not explain the line spectra of hydrogen and its discontinuous spectrum nature?
Why could Rutherford's atomic model not explain the line spectra of hydrogen and its discontinuous spectrum nature?
Signup and view all the answers
Why is the nucleus of an atom surrounded by a cloud of negatively charged constituents?
Why is the nucleus of an atom surrounded by a cloud of negatively charged constituents?
Signup and view all the answers
What holds together the negatively charged electrons and positively charged protons in an atom according to Rutherford's atomic model?
What holds together the negatively charged electrons and positively charged protons in an atom according to Rutherford's atomic model?
Signup and view all the answers
What is defined as a spectrum between a range of wavelengths that contains breaks or gaps?
What is defined as a spectrum between a range of wavelengths that contains breaks or gaps?
Signup and view all the answers
What phenomenon could not be explained by Rutherford's atomic model?
What phenomenon could not be explained by Rutherford's atomic model?
Signup and view all the answers