JEE PHYSICS MCQ: ATOMS

1 Medium

1 of 1

Application +4 | -1

10000\;V

is applied across an

X

-ray tube, what will be the ratio of de-Broglie wavelength of the incident electrons to the shortest wavelength of

X

-ray produced (

\frac{e}{m}

for electron is

1.8 \times {10^{11}}ck{g^{ - 1}}

)

View answer and explanation

Correct option: B

0.1

Option B (

0.1

) is correct because it is the ratio of de-Broglie wavelength to the shortest wavelength of X-ray produced.

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n

=2

{n}=1

\lambda_0

\lambda_0

{R_H} = 1.097\,\, \times \,\,{10^7}\,\,m