NextMockSearch exams, e.g. SSC CGL, UPPSC, Lekhpal
हिंदी
State PCS PYQPrelims 2018

UPPCS · Question 60

Which of the following was invented by Wilhelm Roentgen?

  1. Radio
  2. X-Ray Machine
  3. Electric Bulb
  4. None of the above
Show answer & explanation

Answer: (B) X-Ray Machine

Explanation

Wilhelm Conrad Röntgen discovered X-rays in 1895 and received the first Nobel Prize in Physics (1901).