According to Rutherford’s gold foil experiment, the mass of an atom is concentrated in its _____?
رادرفورڈ کے گولڈ فائل تجربے کے مطابق، ایٹم کا زیادہ تر ماس کہاں مرکوز ہوتا ہے؟
- Nucleus
- Neutrons
- Protons
- None of these
Explanation
- Rutherford’s gold foil experiment (1911) showed that an atom has a small, dense, positively charged center called the nucleus.
- The mass of the atom is concentrated in the nucleus, while most of the atom is empty space.
Additional information:
- Nucleus contains: Protons (+) and neutrons (neutral)
- Electrons move around the nucleus in mostly empty space
- The experiment involved alpha particles being deflected by the nucleus.
Last verified on 10-02-2026
Related MCQs
بلورات کی خصوصیات اور ساخت کے مطالعے کو کیا کہتے ہیں؟
- Crystallography
- Crystallization
- Mineralogy
- Geology
اس سوال کو وضاحت کے ساتھ پڑھیں
- 100 kg
- 200 kg
- 300 kg
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Temporary water connections
- Underground and permanent water-supply lines
- High-temperature steam lines
- Drainage of rainwater only
اس سوال کو وضاحت کے ساتھ پڑھیں
- 10–20 minutes
- 30–60 minutes
- 2–4 hours
- 12–24 hours
اس سوال کو وضاحت کے ساتھ پڑھیں
- Vertical drop fall
- Glacis fall
- Montague type fall
- Inglis fall
اس سوال کو وضاحت کے ساتھ پڑھیں
