Rutherford's experiment — task. Chemistry CBSE Live product, Class 9 (2026-27).

Choose the best answer for the given question from the options.:

1. Rutherford used a thin gold foil in his experiment because

gold atoms are small and unstable
gold is light and reactive
gold reflects alpha particles completely
gold can be hammered into extremely thin sheets without breaking

2. Which device was used to detect alpha particles after scattering?

Fluorescent screen
Microscope
Balance
Thermometer

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