When atoms are bombarded with alpha particles, only a few in million suffer deflection, others pass out undeflected. This is because

The force of repulsion on the moving alpha particle is small

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The force of attraction on the alpha particle to the oppositely charged electrons is very small

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There is only one nucleus and large number of electrons

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The nucleus occupies much smaller volume compared to the volume of the atom

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Solution

The correct option is D
The nucleus occupies much smaller volume compared to the volume of the atom

The nucleus occupies much smaller volume compared to the volume of the atom.

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Similar questions

α

α

m = 6.64 \times 10^{- 27}

q = + 2 e = 3.2 \times 10^{- 19}

When a gold sheet is bombarded by a beam of $α$ -particles, only a few of them get deflected whereas most go straight, undeflected. This is because

α

α

\begin{matrix} Observation & Conclusion (i) M o s t o f t h e f a s t m o v i n g α - p a r t i c l e s p a s s e d s t r a i g h t t h r o u g h t h e g o l d f o i l . & M o s t o f t h e s p a c e i n s i d e t h e a t o m i s e m p t y . (i i) S o m e o f t h e α - p a r t i c l e s w e r e d e f l e c t e d b y s m a l l a n g l e s . & P o s i t i v e c h a r g e o f t h e a t o m o c c u p i e s v e r y l i t t l e s p a c e . (i i i) O n e o u t o f e v e r y 12000 p a r t i c l e s a p p e a r e d t o r e b o u n d . & M a s s o f a n a t o m i s s p r e a d i n a v e r y l a r g e v o l u m e . \end{matrix}

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