智慧树知到《原子物理》章节测试答案


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?()