WorksheetsМетод рк2 151-200
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
a) between the magnifying glass and the focus
b) behind the double focus
c) between the focus and the double focus
d) the distance between the magnifying glass and the object must be equal to the focus
e) the subject can be placed anywhere.
2.
a) diffraction grating
b) magnifying glass
c) microscope
d) telescope
e) binoculars
3.
a) reduced direct
b) direct magnified
c) true size
d) upside down
e) depends on the distance from the object to the lens.
4.
a) 5 diopters
b) 0,5 diopters
c) 0,05 dioptres
d) -5 dioptres
e) -0,05 dioptres.
5.
a) 1, 2, 3, 4
b) 1 and 2
c) 3 and 4
d) 1, 2, 3
e) 2,3.
6.
a)12 Cl
b)0,012 Cl
c)1200 mCl
d)12 mCl
e)12 pCl
7.
a)Potentials add algebraically.
b)Potentials add vectorially.
c)Potentials add arithmetically.
d)Potentials are subtracted.
e)Potentials are multiplied.
8.
a) superposition of coherent waves
b) waves bending around obstacles
c) decomposition of white light by colors
d) decomposition of white color by wavelengths
e) superposition of any waves.
9.
a) the enveloping of obstacles by waves
b) superposition of coherent waves on each other
c) superposition of any waves
d) white color decomposition
e) decomposition of white light by wavelengths.
10.
a) decomposition of white light by colors
b) superposition of coherent waves on each other
c) superposition of any waves
d) waves around obstacles
e) white color decomposition by wavelengths.
11.
a) a light spot
b) dark spot
c) dark or light depending on the size of the screen
d) dark or light depending on the distance of the screen from the observation point
e) the picture changes over time.
12.
a) dark or light depending on the size of the hole
b) dark spot
c) light spot
d) the picture changes over time
e) the size of the hole doesn't matter.
13.
a) photoelectric effect
b) interference
c) diffraction
d) dispersion
e) polarization
14.
a) photoelectric effect
b) interference
c) diffraction
d) dispersion
e) polarization
15.
a) the pulling of electrons out of matter by light
b) superposition of coherent waves on each other
c) superposition of any waves
d) waves around obstacles
e) ordering of light oscillations.
16.
a) is directly proportional to the energy of the light wave absorbed during this time
b) directly proportional to the wavelength
c) inversely proportional to the wavelength
d) directly proportional to the frequency of incident light
e) inversely proportional to incident light frequency
17.
a) linearly increases with light frequency
b) linearly decreases with light frequency
c) independent on light frequency
d) light intensity dependent
e) independent of wavelength.
18.
a) at v min>v kp , where v kp is the red boundary of the photoelectric effect
b) at any frequency of incident light
c) at any wavelength of incident light
d) at v min
e) at л<л кр .
19.
a) dispersion
b) photoelectric effect
c) radiation of bodies
d) Compton scattering
e) photo effect and radiation
20.
a) impulse p=hл
b) energy E=hл
c) energy Е=mс2
d) impulse p=h/л
e) mass m=hv/c2 .
21.
a) the presence of a nucleus in the atom
b) the presence of electrons in the atom
c) the fact that the masses of the nucleus and electrons in the atom are commensurable
d) that the atom is a positively charged ball in which electrons are "embedded
e) that the electrons revolve around the nucleus.
22.
a) patterns of radiation by any atom
b) regularities in atomic spectra
c) quantum (corpuscular) nature of light absorption by a hydrogen atom
d) quantum character of light emission by a hydrogen atom
e) patterns of emission and absorption by hydrogen ions.
23.
a) laser radiation is spontaneous (spontaneous) radiation
b) laser beam has a very small divergence angle
c) the laser light is extremely monochromatic
d) lasers are the most powerful light sources
e) laser radiation is induced radiation
24.
a) a diffraction grating
b) Geiger-Mueller counter
c) Wilson chamber
d) bubble chamber
e) thick layer photoemulsion.
25.
a) helium nuclei
b) protons
c) electrons
d) positrons
e) neutrons.
26.
a) of protons and neutrons
b) protons only
c) from -particles
d) of protons and electrons
e) of electrons and positrons.
27.
a) Z=8; N=9
b) Z=9; N=8
c) Z=8; N=17
d) Z=17; N=8
e) Z=8; N=8.
28.
a) the laws of conservation are not satisfied
b) law of conservation of charge
c) law of conservation of mass
d) law of conservation of energy
e) law of conservation of spin
29.
a) less than the sum of the masses of protons and neutrons
b) is greater than the sum of weights of protons and neutrons
c) is equal to sum of protons and neutrons masses
d) it may be different
e) it is impossible to answer this question unambiguously.
30.
a) emission of neutrons during fission
b) formation of fragments
c) emission of huge energy
d) emission of protons in fission
e) always a chain reaction.
31.
a) it is necessary to consider factors 1, 2, 3, 4
b) factor 1 is sufficient
c) it is necessary to take into account factors 1 and 2
d) factors 1, 2 and 3 must be considered
e) factor 4 is enough.
32.
a) fusion reactions of light nuclei at very high temperature
b) fusion reactions at any temperature
c) reactions of the interaction of two nuclei if the result is one
d) a -particle capture reactions
e) neutron capture reactions.
33.
a) neutron
b) proton
c) electron
d) a-particle
e) гамма- quantum.
34.
a) а - particle
b) leptons
c) baryons
d) mesons
e) hyperons
35.
a) a body whose dimensions can be neglected under the conditions of this problem or has a spherical shape
b) very small body
c) small ball
d) big ball
e) a body of regular shape.
36.
a) 120N
b) 12N
c) 1.2N
d) 12000N
e) 0,12N
37.
a) 2500N
b) 25N
c) 25000N
d) 2000N
e) 250N
38.
a) 125
b) 2500
c) 12.5
d) 250
e) 1250
39.
a) 10m/s
b) 54kph
c) 18 km/h
d) 9 m/s
e) 15 m/s
40.
a) 0.4cm
b) 4cm
c) 10 cm
d) 0,2 cm
e) 0,1cm
41.
a) 2,5
b) 1
c) 1,5
d) 2
e) 0.25
42.
a) 200N/m
b) 600N/m
c) 800N/m
d) 2000N/m
e) 20N/m
43.
a) 30N
b) 60N
c) 20N
d) 80N
e) 40H
44.
a) 1,2N
b) 1,6N
c) 1,4N
d) 1N
e) 1.8N
45.
a) 10
b) 8
c) 6
d) 14
e) 12
46.
a) 450 K
b) 550 K
c) 451 K
d) 4500 K
e) 650 K
47.
a) 1.8
b) 2,8
c) 1,7
d) 8,1
e) 2,5
48.
a) -1 µKL
b) 0,3 mCL
c) 0,1 mKl
d) -2 mCL
e) 2 mCL
49.
a) 0,1 m
b) 0,2 m
c) 0,3 m
d) 2 m
e) 0,4 m
50.
a) 32 μJ
b) -0.06 μJ
c) 3,05 uJ
d) 5,04 uJ
e) 5,08 mcJ
100 %
