scientist, discoveries & inventions MCQ section 1 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general awareness mcq - 4 EXERCISES
The following question based on scientist, discoveries & inventions topic of general awareness mcq
(a) Seismology
(b) Topology
(c) Limnology
(d) Hydrology
The correct answers to the above question in:
Answer: (a)
Seismology is the study of earthquakes and seismic waves that move through and around the earth. The field also includes studies of earthquake environmental effects, such as tsunamis as well as diverse seismic sources such as volcanic, tectonic, oceanic, atmospheric, and artificial processes.
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Read more scientist discoveries and inventions Based General Awareness Questions and Answers
Question : 1
X–rays were discovered by
a) Van Lue
b) Becquerel
c) Marie Curie
d) Roentgen
Answer »Answer: (d)
X-radiation (composed of X-rays) is a form of electromagnetic radiation.
X-rays have a wavelength in the range of 0.01 to 10 nanometers, corresponding to frequencies in the range 30 petahertz to 30 exahertz (3×1016 Hz to 3×1019 Hz) and energies in the range 100 eV to 100 keV. They are shorter in wavelength than UV rays and longer than gamma rays.
In many languages, X-radiation is called Röntgen radiation, after Wilhelm Röntgen, who is usually credited as its discoverer, and who had named it X-radiation to signify an unknown type of radiation.
Question : 2
Who among the following invented Lasers?
a) William Morton
b) Francis Crick
c) Theodore Maiman
d) Denis Papin
Answer »Answer: (c)
Question : 3
An eminent Indian physicist Dr. C.V. Raman was given Nobel Prize for his work in the year
a) 1935
b) None of these
c) 1925
d) 1930
Answer »Answer: (d)
Question : 4
The study of mountains is known as
a) Ornithology
b) Oncology
c) Orology
d) Lithology
Answer »Answer: (c)
Orology is the branch of physical geography dealing with mountains. It is a field of research that regionally concentrates on the Earth's surface's part covered by mountain landscapes.
Question : 5
Who is associated with the development of India’s Atomic Bomb?
a) Raja Ramanna
b) Kastoorirangan
c) A.P.J. Abdul Kalam
d) Homi Bhabha
Answer »Answer: (a)
Question : 6
Whose birth centenary was celebrated in the year 1988?
a) Mathematician Ramajunan
b) C.V. Raman
c) Charles Darwin
d) Einstein’s theory of relativity
Answer »Answer: (b)
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