The de-Broglie wavelength of a particle accelerated with 150 volt potential is \[{{10}^{-10}}\]m. If it is accelerated by 600 volts p.d., its wavelength will be [RPET 1988]

• A.            0.25 Å                                      
• B.            0.5 Å
• C.            1.5 Å                                        
• D.            2 Å