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Question : Which pioneer scientist used radio waves to transmit signals over distances of several kilometres in the 1890s?

Option 1: Michael Faraday

Option 2: Paul Langevin

Option 3: Guglielmo Marconi

Option 4: Pierre Weiss

Team Careers360 24th Jan, 2024

Correct Answer: Guglielmo Marconi


Solution : The correct option is Guglielmo Marconi.

Guglielmo Marconi was a trailblazing scientist who, in the 1890s, used radio waves to send signals across several kilometres. Marconi, an Italian inventor and electrical engineer, is credited with being one of the key figures in the development

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Question : The scientist who first sent electromagnetic waves to distant places is

Option 1: James Clerk Maxwell

Option 2: Heinrich Hertz

Option 3: Thomas Alva Edison

Option 4: John Logie Baird

Team Careers360 20th Jan, 2024

Correct Answer: Heinrich Hertz


Solution : The correct option is Heinrich Hertz.

Heinrich Hertz was the physicist who first transmitted electromagnetic waves across a substantial distance. In the latter half of the 19th century, he carried out experiments that demonstrated the existence of electromagnetic waves and their capacity to

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Question : In which year was the Doppler effect discovered by Austrian scientist Christian Doppler, which describes the change in frequency of any kind of sound or light wave produced by a moving source concerning an observer?

Option 1: 1846

Option 2: 1844

Option 3: 1842

Option 4: 1840

Team Careers360 11th Jan, 2024

Correct Answer: 1842


Solution : The correct answer is 1842.

Christian Doppler, an Austrian physicist, initially described the Doppler Effect in 1842. It is visible when the pitch of a vehicle's horn changes as it approaches and recedes from the observer. Christian Doppler first tested the effect of motion

109 Views

What is the qualifications of applied scientists in India?

Moumoyee Chakraborty 22nd Aug, 2021

Being an applied scientist in India is a very wise profession. To do a job that a scientist genuinely covers, you need to have proper dedication, immense interest in your work and a good grip in research. For being a scientist you need to posses the basic degrees like :

153 Views

Which is better Mtech in aerospace engineering or MSc physics for an ISRO scientist? Actually i am so interested to go for MSc physics.Now iam a 12 th standard student. Is there any more consideration for an aerospace engineer to become an ISRO scientist?

ginnisachdeva02_9364270 Student Expert 17th Feb, 2021

Hi Candidate,

If you are interested in MSc Physics, then you must go ahead with your interest. Complete your undergraduation, then go for MSc physics. Later,  ISRO Centralised Recruitment Board (ICRB) which conducts an entrance exam for the recruitment of vacancies in technical posts/researchers/scientists etc. Check out the pattern, syllabus

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