Q. 6

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Answer :

De-Broglie wavelength of a particle is given by:

Where v = speed

V = accelerating potential

Given that, De-Broglie wavelength is same for -particle and a proton.

Change on -particle =2

Mass of -particle= 4

Change on proton =

Mass of proton =

i. 8:1 is the ratio of accelerating potential.

ii. 4:1 is the ratio of speed.

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