Solve qus no 5: 5 An alpha particle having kinetic energy of 10 MeV is moving towards - Physics - Nuclei

Question

Solve qus no 5:

5 An alpha particle having kinetic energy of 10 MeV is moving
towards a stationary nucleus of atomic number 50 The distance of
closest approach will be
(a) 1 44 x 10-15 m (b) 1 44 x 10-15 m
(c) 1 44 x 10-13 m (d) 14 4 x 10-16
m

Decoder_2 · Accepted Answer

Dear
student,
KE=10MeV charge on nucleus=50e  Clet the alpha particle be at infinity charge on alpha particle =2eKE will be convert to PE at maximum approach 107eV=K100e2rV1=9×104×1
6×10-19rr=1 44×10-14 m Regards

Solve qus no. 5: 5. An alpha particle having kinetic energy of 10 MeV is moving towards a stationary nucleus of atomic number 50. The distance of closest approach will be. (a) 1.44 x 10-15 m (b) 1.44 x 10-15 m (c) 1.44 x 10-13 m (d) 14.4 x 10-16 m

Solve qus no. 5:

5. An alpha particle having kinetic energy of 10 MeV is moving towards a stationary nucleus of atomic number 50. The distance of closest approach will be.
(a) 1.44 x 10^-15 m (b) 1.44 x 10^-15 m
(c) 1.44 x 10^-13 m (d) 14.4 x 10^-16 m