Who formulated the Laws of Planetary Motion? MCQ with Answer and Explanation

Question
Who formulated the Laws of Planetary Motion?
A. Isaac Newton
B. Galileo Galilei
C. Nicolaus Copernicus
D. Johannes Kepler
Answer: Option D
Solution (By JKSSB Mock Tests)
Johannes Kepler formulated the three laws of planetary motion in the early 17th century.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Practice More Inventions and Discoveries Questions

Question #1
Who invented the first practical modern typewriter with a QWERTY keyboard layout?
A. William Austin Burt
B. Pellegrino Turri
C. Thomas Edison
D. Christopher Latham Sholes
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Correct Answer: Option D

Explanation:
Christopher Latham Sholes invented the first commercially practical mechanical typewriter and developed the QWERTY keyboard layout to prevent jamming.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who discovered that certain types of chemical reactions produce electricity spontaneously, formalizing electrochemical cells?
A. Luigi Galvani and Alessandro Volta
B. Humphry Davy
C. Georg Ohm
D. Michael Faraday
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Correct Answer: Option A

Explanation:
Galvani observed muscle contractions from static discharges, and Volta channeled this into the continuous current metallic pile.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
Who discovered that electric fields can split light spectral lines, a physical phenomenon known as the Stark Effect?
A. Pieter Zeeman
B. Hendrik Lorentz
C. Johannes Stark
D. Max Planck
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Correct Answer: Option C

Explanation:
Johannes Stark discovered the electric splitting of hydrogen spectral lines in 1913, winning the 1919 Nobel Prize in Physics.
This question belongs to: Static General Knowledge Inventions and Discoveries
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