Who discovered that regular arrays of atoms act as diffraction gratings for X-rays, establishing X-ray crystallography? MCQ with Answer and Explanation

Question

Share Report Error

Who discovered that regular arrays of atoms act as diffraction gratings for X-rays, establishing X-ray crystallography?

A. Wilhelm Röntgen

B. Rosalind Franklin

C. Max von Laue

D. William Henry Bragg

Answer: Option C

Solution (By JKSSB Mock Tests)

Max von Laue discovered X-ray diffraction by crystals in 1912, proving the wave nature of X-rays and structural lattice layouts.

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 fundamental laws of electric resistance ($V = IR$) were discovered by which physicist?

A. André-Marie Ampère

B. Alessandro Volta

C. James Watt

D. Georg Simon Ohm

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Georg Simon Ohm discovered the direct proportionality between voltage and current across a conductor, known as Ohm's Law.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

Share Report

Who discovered the phenomenon of piezoelectricity in crystals in 1880?

A. Pierre and Jacques Curie

B. Wilhelm Röntgen

C. Marie Curie

D. Heinrich Hertz

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option A

Explanation:
Brothers Pierre and Jacques Curie discovered that physical stress applied to certain crystals generates an electric charge.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

Share Report

The modern concept of the chemical bond via shared pairs of electrons (covalent bond) was discovered by whom?

A. Svante Arrhenius

B. John Dalton

C. Linus Pauling

D. Gilbert N. Lewis

View Answer & Solution Discuss

Get Complete Subject PDF for Static General Knowledge

Correct Answer: Option D

Explanation:
Gilbert N. Lewis introduced electron-dot structures and developed the electronic theory of chemical bonding in 1916.

This question belongs to: Static General Knowledge Inventions and Discoveries

Explore All Inventions and Discoveries MCQs