PHYSICS LAB
Physics Lab Quiz
Test your knowledge of physics concepts with our engaging Physics Lab Quiz! Challenge yourself with questions covering various topics, including diodes, energy levels, and photoelectric effects.
This quiz is designed for students and enthusiasts alike. Participate to:
- Evaluate your understanding of key physics principles.
- Prepare for exams and enhance your learning.
- Compete with friends and peers.
1N4001, 1N4007, and 1N4148 Diodes
1N4001 Diode only
Red, Yellow, and green LED's
Red LED only
Blue, and White LED's
1/ω^2C
ω/C
ωC
1/ωC
C/ω
Electrons are accelerated by the electric field in the depletion region
Electrons collide with atoms
The junction gets hot
Electrons from the conduction band recombine with holes from the valence band
Electrons are excited from the valence to the conduction band
1.11 eV
1.99 eV
1.54 eV
2.33 eV
2.07 eV
Planck's constant
The threshold frequency
The maximum kinetic energy
The intensity of the incident radiation
The stopping potential
0%
0
0%
0
0%
0
0%
0
0%
0
Blue, and Green LED'S
Red, Green, and Yellow LED's
1N4001, 1N4007, and 1N4148 Diodes
Blue LED only
Blue and White LED's
1N4148 Diode only
Blue, White LED's
1N4001, 1N4007, and 1N4148 Diodes
Red, Yellow, and Green LED's
1N4001 Diode and Blue LED
€¢ the inductive reactance is halved and the capacitive reactance is halved.
The reactance of the circuit remains the same
The inductive reactance is halved and the capacitive reactance is doubled
The inductive reactance is doubled and the capacitive reactance is doubled
The inductive reactance is doubled and the capacitive reactance is halved
5
6
3
7
4
A photon
The absence of an electron in an otherwise filled band
A microscopic defect in a solid
A positively charged electron
An electron which has somehow lost its charge
Electrons flow from the p to the n side
The electric in the depletion zone increases
The depletion zone narrows
The potential difference across the depletion zone increases
22222
Lags the voltage by one-half of a cycle
Is in phase with the potential difference across the plates
Leads the voltage by one-fourth of a cycle
Leads the voltage by one-half of a cycle
Lags the voltage by one-fourth of a cycle
L decreases
R decreases
R increases
L increases
C increases
The same as the energy at the bottom of the conduction band on the p side
lower than energy at the top of the valence band on the p side
Lower than energy at the top of the valence band on the n side
Higher than the energy at the bottom of the conduction band on the p side
Lower than the energy at the bottom of the conduction band on the p side
Not sure
A large number of energy levels so closely spaced that they may be regarded as a continuous band.
An infinite number of wave functions, with each wave function corresponding to a point in a box.
A large number of electrons so closed spaced that they may be regarded as a continuous band of electric charge.
A large number of electrons so closely spaced that they may be regarded as a continuous band of electric charge
An infinite number of levels, with each level corresponding to a point in a box.
Equal to the energy of a photon in beam B
One-fourth the energy of photon in beam B
Twice the energy of a photon in beam B
Four times the energy of a photon in beam B
Half the energy of photon in beam B
Not sure, answer sa net
Is that the maximum kinetic energy of the photoelectrons is related linearly to the frequency of the light
Is that more photoelectrons are emitted when the light frequency increases
Is that every melal surface has a work function, a minimum amount of energy needed to free electrons
Is that the stopping potential measures the kinetic energy of the photoelectrons
Are all of the above
2
3
1
4
5
A
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