Solution-Need for better a-particle detectors

Need for better a-particle detectors

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Reference no: EM131871247

A helium-neon laser emits light with a wavelength of 6328 Å. What is the energy of a 6328 Å photon in joules?

(a) 2.179 x 10^-19 J

(b) 3.139 x 10^-19 J

(d) 6.328 x 10^-19 J

(e) 2.179 x 10^-18 J

What would you describe as the key result of the Rutherford experiment, in which a metal target was bombarded with a-particles?

(a) The a-particles were able to pass through the target.

(b) The particles were found to knock electrons out of the target.

(d) Flashes of light were emitted when the a-particles hit the ZnS screen after they passed through the target.

(e) The experiment showed the need for better a-particle detectors.

Reference no: EM131871247

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Need for better a-particle detectors

Reference no: EM131871247

Reference no: EM131871247

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