Class 12 NEET Physics Dual Nature of Matter and Radiation

de Broglie wavelength,
λ=

h

√2mK

...........(i)
where m is the mass and K is the kinetic energy of the particle.When kinetic energy of the particle is increased to 16 times, then its de Broglie wavelength becomes,
λ′=

h

√2m(16K)

=

1

4

λ

√2mk

=

λ

4

 (Using (i))
% change in the de Broglie wavelength