Question :
A) Electrons
B) Electromagnetic radiations
C) Alpha particles
D) Neutrons
Answer : D
out of the following, which is not emitted by radioactive substance?
A) Electrons
B) Electromagnetic radiations
C) Alpha particles
D) Neutrons
Answer : D
Description :
Related Questions - 1
Light from the Sun reaches us in nearly
A) 2 minutes
B) 4 minutes
C) 8 minutes
D) 16 minutes
Related Questions - 2
Metals are good conductors of electricity because
A) they contain free electrons
B) the atoms are lightly packed
C) they have high melting point
D) All of the above
Related Questions - 3
Let a thin capillary tube be replaced with another tube of insufficient length then, we find water
A) will overflow
B) will not rise
C) depressed
D) change its meniscus
Related Questions - 4
Radiocarbon is produced in the atmosphere as a result of
A) collision between fast neutrons and nitrogen nuclei present in the atmosphere
B) action of ultraviolet light from the sun on atmospheric oxygen
C) action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere
D) lightning discharge in atmosphere