Match List I with List II and select the correct answer using the codes given below the Lists:
List I List II
(Discovery) (Scientist)
(a) Radioactivity 1. Issac Newton
(b) Relativity 2. Roentgen
(c) Gravitation 3. Henry Becquerel
(d) X-ray 4. Albert Einstein
Codes:
-
(a) 3 (b) 1 (c) 2 (d) 4
-
(a) 3 (b) 4 (c) 1 (d) 2
-
(a) 1 (b) 3 (c) 4 (d) 2
-
(a) 2 (b) 4 (c) 1 (d) 3
B
Correct answer
Explanation
Henri Becquerel discovered radioactivity in 1896 (3). Albert Einstein developed the theory of relativity (4). Isaac Newton formulated the law of gravitation (1). Wilhelm Roentgen discovered X-rays in 1895 (2). Option B correctly pairs each discovery with its scientist.