Who discovered that elements display unique crystalline patterns when rapidly frozen from molten metal matrices, founding physical Metallurgy? MCQ with Answer and Explanation

Question

Who discovered that elements display unique crystalline patterns when rapidly frozen from molten metal matrices, founding physical Metallurgy?

A. Dmitri Mendeleev

B. Henry Clifton Sorby

C. Henry Bessemer

D. Antoine Lavoisier

Answer: Option B

Solution (By JKSSB Mock Tests)

Sorby applied microscopic analysis to polished iron and steel samples, establishing microstructure phase boundaries.

This question belongs to: Static General Knowledge Inventions and Discoveries

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Inventions and Discoveries Questions

Question #1

Share Report

The laser (Light Amplification by Stimulated Emission of Radiation) was first constructed by whom in 1960?

A. Theodore Maiman

B. Charles Townes

C. Arthur Schawlow

D. Albert Einstein

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option A

Explanation:
Theodore Maiman built the first functioning laser in 1960 at Hughes Research Laboratories, using a synthetic ruby crystal.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

Share Report

The invention of Teflon (PTFE) was an accidental discovery by which chemist in 1938?

A. Gideon Sundback

B. Wallace Carothers

C. Leo Baekeland

D. Roy Plunkett

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Roy J. Plunkett accidentally discovered polytetrafluoroethylene (Teflon) while researching alternative chlorofluorocarbon refrigerants.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

Share Report

Who discovered that certain elements change identities through radioactive transmutation, establishing the laws of radioactive decay?

A. Henri Becquerel

B. Ernest Rutherford and Frederick Soddy

C. Otto Hahn

D. Marie Curie

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option B

Explanation:
Rutherford and Soddy formulated the decay transformation principles, proving elements naturally break down into different elements.

This question belongs to: Static General Knowledge Inventions and Discoveries

Explore All Inventions and Discoveries MCQs