Download App

Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
Rutherford's alpha-particle scattering experiment showed for the first time that an atom has:
  • A
    Electrons
  • B
    Protons
  • C
    A nucleus
  • D
    Neutrons
✓

Answer

  1. A nucleus

Explanation:

Since most of the alpha particles in Rutherford's experiment passed through the atom undeflected, he concluded that most of the space inside an atom is empty.

He also postulated that most of the mass of the atom is limited to a small volume inside the atom, called nucleus.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 M]" from Structure of the Atom→Structure of the Atom — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

'When a hanging carpet is beaten with a stick, the dust particles start coming out of it'. This phenomenon can be best explained by making use of:
→
Which among the following statement is true?
→
A homogenous mixture of two gases is:
→

Alikunhi is famous for development of the technique of:

  1. Hypophysation
  2. Composite fish culture.
  3. Mariculture
  4. Shell culture.
→
Which one of the following statements related to the process of evaporation is incorrect?
→

Rough ER contains:

  1. Etoxofocation centres.
  2. Carbohydrate synthesizing machinery.
  3. Ribosomes.
  4. Lysosomes.
→
Howis a bacterial cell different from an onion peel cell?
→
What is the momentum of an object of mass m, moving with a velocity v?
→
Food is converted to energy in:
→

Fever, delirium, slow pulse, abdominal tenderness and rose coloured rash indicate the disease:

  1. Typhoid.
  2. Measles.
  3. Tetanus.
  4. Chicken pox.
→