A)
X Y Z e/m ratio for X \[\alpha \text{-particles}\] \[\beta \text{-particles}\] \[\gamma \text{-Rays}\] 0
B)
X Y Z e/m ratio for X Neutrons Electrons Protons 0
C)
X Y Z e/m ratio for X \[\alpha -Particles\] \[\beta -Particles\] \[\gamma -Rays\] 1
D)
X Y Z e/m ratio for X Neutrons Electrons Protons 1
Correct Answer: B
Solution :
As X goes undeviated in the electric field, we can infer that it consists of chargeless particles (neutrons). Y deviates towards positive end of electric field, it means Y consists of negatively charged particles (electrons). Z deviates towards negative end of the electric field, this indicates that Z consists of positively charged particles (protons). Since X consists of neutrons, charge of neutron = 0 and mass of neutron = 1 u \[\therefore \] e/m for \[X=0/1\text{ }=0\]
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