In producing X-rays a beam of electrons accelerated by a potential dif – McqOptions

MCQOPTIONS

1.	In producing X-rays a beam of electrons accelerated by a potential difference V is made to strike a metal target. For what value of V, X-rays will have the lowest wavelength of 0.3094 Å [CPMT 1982; NCERT 1986, 87]
A.	10 kV
B.	20 kV
C.	30 kV
D.	40 Kv
Answer» E.

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