Prepare for competitive exams with our First Persons in Inventions in Physics GK Questions and Answers. Learn about the pioneers in physics and their path-breaking inventions through MCQs with correct answers and explanations.
🔍 Practice These First Persons in Inventions in Physics GK Questions and Answers for Competitive Exams
Q1) Who invented the electric bulb?
a) Michael Faraday
b) Thomas Alva Edison
c) Nikola Tesla
d) Humphry Davy
Explanation: Edison is credited with inventing the first practical and long-lasting electric bulb in 1879.
Q2) Who discovered the law of gravitation?
a) Albert Einstein
b) Isaac Newton
c) Galileo Galilei
d) Johannes Kepler
Explanation: Newton formulated the universal law of gravitation in 1687.
Q3) Who invented the first practical telephone?
a) Alexander Graham Bell
b) Guglielmo Marconi
c) James Watt
d) Michael Faraday
Explanation: Patented in 1876, Bell’s telephone transformed communication.
Q4) Who is credited with inventing the radio?
a) Nikola Tesla
b) Guglielmo Marconi
c) Heinrich Hertz
d) Samuel Morse
Explanation: Marconi developed the first practical radio communication system in 1895.
Q5) Who discovered X-rays?
a) Marie Curie
b) Wilhelm Conrad Roentgen
c) Henri Becquerel
d) J.J. Thomson
Explanation: Discovered X-rays in 1895, earning the first Nobel Prize in Physics in 1901.
Q6) Who invented the steam engine?
a) James Watt
b) George Stephenson
c) Denis Papin
d) Thomas Newcomen
Explanation: Papin developed the early steam engine design; later improved by Newcomen and Watt.
Q7) Who discovered the electron?
a) J.J. Thomson
b) Ernest Rutherford
c) Niels Bohr
d) Max Planck
Explanation: In 1897, Thomson identified the electron as a subatomic particle.
Q8) Who invented the phonograph?
a) Thomas Edison
b) Nikola Tesla
c) Charles Babbage
d) Guglielmo Marconi
Explanation: Edison’s phonograph (1877) was the first device to record and reproduce sound.
Q9) Who first measured the speed of light accurately?
a) Albert Michelson
b) Ole Rømer
c) Galileo Galilei
d) James Clerk Maxwell
Explanation: Michelson refined light speed measurement and won the 1907 Nobel Prize.
Q10) Who is called the father of nuclear physics?
a) Ernest Rutherford
b) Niels Bohr
c) Enrico Fermi
d) Otto Hahn
Explanation: Rutherford discovered the nucleus and pioneered nuclear physics.
Mastering First Persons in Inventions in Physics GK Questions and Answers is essential for scoring well in competitive exams where static GK plays a key role. By regularly practicing these questions, you can quickly recall important inventors, their inventions, and significant first achievements in the field of physics. Keep revising, stay confident, and you’ll be ready to answer any question on this topic in your exam.
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