A. John Henry Dunet
A.
B. Wangari Mathayi
B.
C. Wilhem Konrad Roentgen
C.
D. Linus Pauling
D.
Correct Answer: C
সঠিক উত্তর: C
Explanation
ব্যাখ্যা
Wilhelm Roentgen discovered the X-rays. He got the first nobel prize in physics in 1901. William Thomson invented the international system of absolute temperature.