Inventions & Discoveries

4 questions available

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All Famous Inventions 49 Inventors 4 Scientific Discoveries 6 Discoverers 4 Historical Innovations 4 Important Milestones 3
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Q1.The electron was discovered by whom?

Medium
A J J Thomson
B Ernest Rutherford
C James Chadwick
D Robert Millikan
Discoverers FPSC

Correct Answer: A

J J Thomson discovered the electron in 1897.

Q2.The neutron was discovered by whom?

Medium
A James Chadwick
B Ernest Rutherford
C Niels Bohr
D Enrico Fermi
Discoverers CSS

Correct Answer: A

James Chadwick discovered the neutron in 1932.

Q3.The nucleus of the atom was discovered by whom?

Medium
A Ernest Rutherford
B J J Thomson
C Niels Bohr
D James Chadwick
Discoverers PPSC

Correct Answer: A

Ernest Rutherford discovered the atomic nucleus in 1911.

Q4.The planet Uranus was discovered by whom?

Hard
A William Herschel
B Galileo Galilei
C Johannes Kepler
D Urbain Le Verrier
Discoverers PMS

Correct Answer: A

William Herschel discovered Uranus in 1781.