A reference subatomic particle of mass 3.2 × 10-27 kg has a kinetic energy of 9.0 × 10-19 J.
The table below shows the mass and kinetic energy of four other particles, A, B, C, and D.
| Particle | Mass / 10−27 kg10^{-27} \text{ kg}10−27 kg | Kinetic energy / 10−19 J10^{-19} \text{ J}10−19 J |
|---|---|---|
| A | 1.6 | 4.5 |
| B | 4.8 | 6.0 |
| C | 6.4 | 18.0 |
| D | 9.6 | 1.0 |
Which particle has the same de Broglie wavelength as the reference particle?
A
B
C
D
