Radioactive substances can be produced readily in
A. a transistor
B. an atomic pile
C. an electron gun
D. a Wilson cloud chamber
Answer: Option B
Solution(By Examveda Team)
Radioactive substances can be produced readily in an atomic pile. Radioactive substances are atoms that decay naturally. They can give off alpha particles, beta particles and gamma radiation. Unlike X-ray sources they cannot be turned off, so their control is more difficult.This Question Belongs to General Knowledge >> Basic General Knowledge
Who amongst the following had called Rabindranath Tagore as THE GREAT SENTINEL?
A. Abul Kalam Azad
B. Mahatma Gandhi
C. Dr. Rajendra Prasad
D. Subhash Chandra Bose
Grand Central Terminal, Park Avenue, New York is the world's
A. highest railway station
B. longest railway station
C. largest railway station
D. None of the above
Entomology is the science that studies
A. The origin and history of technical and scientific terms
B. Behavior of human beings
C. Insects
D. The formation of rocks
E. None of these
Eritrea, which became the 182nd member of the UN in 1993, is in the continent of
A. Africa
B. Australia
C. Europe
D. Asia
E. None of these
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