智慧树知到《原子物理》章节测试答案

第一章单元测试

1、The energy scale of atom is（）.

A.TeV

B.GeV

C.eV

D.MeV

正确答案：eV

2、The density scale of atom is（）

A.1010 g/cm3

B.1 g/cm3

C.1015 g/cm3

D.102 g/cm3

正确答案：1 g/cm3

3、Who did propose that the matter was indivisible in ancient Greece？（）

A.Plato

B.Aristotle

C.Democracy

D.Archimedes

正确答案：Democracy

4、Who did firstly show the Periodic table？（）

A.Mendeleev

B.Avogadro

C.Proust

D.Faraday

正确答案：Mendeleev

5、How many elements are discovered up to 2019？（）

A.118

B.117

C.115

D.112

正确答案：118

6、What was found by Roentgen in 1895？（）

A.Proton

B.neutron

C.X ray

D.Electron

正确答案：X ray

7、The law of black-body radiation was given in 1900 by（）？

A.Plank

B.Boltzmann

C.Rutherford

D.Bohr

正确答案：Plank

8、Which model can exactly solve the Hydrogen system？（）

A.Bohr model

B.Schrodinger equation

C.Rutherford model

D.Dirac equation

正确答案：Dirac equation

9、Which field is not related to atomic physics？（）

A.Plasma physics

B.Astrophysics

C.Literature

D.Environment

正确答案：Literature

10、Who did not join the Solvay conference held in 1927？（）

A.Einstein

B.Pauli

C.Fermi

D.Schrodinger

正确答案：Einstein

第二章单元测试

1、State the mass of Avogadro’s number of atoms for Copper（）.

A.127.10 g

B.63.55 kg

C.23.22 g

D.63.55 g

正确答案：63.55 g

2、The mass of a single iron atom is 9.3 × 10–23 g.Determine the number if iron atoms in regular cube that measures exactly 10 cm on an edge.The density of iron is 7.86 g/cm3（）。

A.3.5 × 1025

B.8.5 × 1025

C.7.5 × 1024

D.4.2 × 1026

正确答案：8.5 × 1025

3、The mass of a proton is（）

A.0.511 MeV

B.1.673× 10-24 g

C.3.344× 10-27 kg

D.10.07 u

正确答案：1.673× 10-24 g

4、In Rutherford atomic model alpha particles were stroked on（）

A.titanium

B.aluminum

C.silver

D.gold

正确答案：gold

5、For aluminum（Z2 = 13） and gold（Z2 = 79 ）targets， what is the ratio of α particle scattering at any angle for equal numbers of scattering nuclei per unit area？（）