Question

A proton, when accelerated through a potential difference of V volts, has a wavelength  associated with it. If an alpha particle ius to have the same wavelength , it must be accelerated through a potential difference of

Solution

Correct option is

The wavelength associated with a particle of charge q, mass m and accelerated through a potential difference V is given by  

            

   

  

  

  

             

           

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SIMILAR QUESTIONS

Q1

A radioactive sulestance has a half–life of four months three fourth of thesulestance will decay in

Q2

Half life of radium is 1600 yrs. Its average life is

Q3

What percentage of original radioactive atoms is left after four half lives

Q4

No atoms of radioactive element emit N2 beta particles per second. The decay constant of element in sec–1 is

Q5

A radioactive element has half life period 800 yrs. After 6400 yrs what amount will remain

Q6

A nucleus  emits one alpha particle and two β-particle The resulting nucleus is

Q7

A sample of a radioactive element has a mass of 10g at an instant t = 0. The oppropriate mass of this element in the element in the sample after two mean lives is

Q8

If the half lives of a radioactive element that decays in 6 days is 7/8. The fraction that decays in 10 days will be

Q9

The wavelength  of de Broglie waves associated with an electron (massm, charger e) accelerated through a potential difference of V is given by (his Planck’s constant)  

Q10

A proton and an electron move with the same velocity. The associated wavelength for proton is