Positive rays were discovered by
A. Thomson
B. Goldstein
C. W-Crookes
D. Rutherford
Answer: Option B
This Question Belongs to Physics GK Chapter Wise >> Modern Physics
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. . . . . . . . invented Atom Bomb.
A. J Robert Oppenheimer
B. John Bau a Ning
C. Samuel Cohan
D. Samuel Colt
A. when low speed electrons is ejected
B. when high speed electron is obstructed by a metal surface
C. when anode-ray obstructed by a solid object
D. when γ-ray is obstructed by a solid object
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