IGNOU BCHCT 131 2026 - Explain Geiger and Marsden’s $\alpha$-particle experim

Question

Explain Geiger and Marsden’s $\alpha$-particle experiment using a suitable diagram.

01 Dec 2025

Answer :

Word Count : 250

Geiger and Marsden’s α-particle scattering experiment, carried out under Rutherford’s supervision, investigated how α-particles interact with matter and revealed the internal structure of the atom. A thin gold foil was bombarded with fast-moving α-particles emitted from a radioactive source such as radium. These particles were directed through a lead collimator to ensure a

_________ __________ _____ _________ ________ _____ _____ _________ __________ _______.
____ _____ ________ ___ ___.
_____ __________ _______ ________ ______ ______ __________ __________ ___ _____.
____ __________ _____ __________ ________ ______ ________ ________ _________ ______ ______.
__________ _____ ________ ___ _____ _____ ____ ___ ______ ___.
___ _____ __________ __________ ______.
_____ _________ ____ _______ __________.
________ __________ _________ ________ __________ ______ _____ _________ _________ ___ _____.
_______ _______ ____ _________ _________.
______ _______ _______ ___ ____ _______ _______ _____ _____ _________ _______.
_______ _____ ____ ____ _____ ____ ______ ____ ___ _____ ___ __________.
_______ ______ ____ ________ ____ _____ _________.
_________ ___ __________ _____ _______ _______.
__________ _____ ________ ___ __________ _________ _________ ________ ______ ___ ______.
_______ ____ _________ _____ _____ __________ _________ _______ _______ ___ __________.
_______ ______ ________ ________ __________ ______ ________ ______.
_________ _____ _____ _________ ________ ________ ____ ______ _____ ____.
___ _________ __________ __________ __________ ________ _____ _____.
______ ___ _________ __________ ______ ________ _______ _______.
_________ ________ ______ _______ ____ ________ ___ _____ ____ ___ ________ _________.
____ ___ _________ __________ __________ ______.
______ _____ ______ ________ ______.
__________ __________ ___ ______ _____ ___ ____ _____ _________ _________.

IGNOU ACADEMY

Your IGNOU journey, made easier.

Solved Assignments
Study Notes
Guess Papers
Question Papers

Call Us WhatsApp

STUDY • PREPARE • SUCCEED

Skip in 10

IGNOU Solved Assignments Assignments Ignou Projects Project Previous Year Solved Exam Papers Notes Notes Sample Question Papers Sample Question Papers