Explore topic-wise MCQs in Applied Chemistry.

This section includes 22 Mcqs, each offering curated multiple-choice questions to sharpen your Applied Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Dye-sensitized solar cells are made from ________ organic dye.

A. Ruthium melallo
B. Aniline
C. Safranine
D. Induline
Answer» B. Aniline
Discussion
2.

__________ is a direct band gap material.

A. Copper Indium Gallium Selenide
B. Copper Selenide
C. Copper Gallium Telluride
D. Copper Indium Gallium Diselenide
Answer» B. Copper Selenide
Discussion
3.

__________ photo voltaic devices in the form of thin films.

A. Cadmium Telluroide
B. Cadmium oxide
C. Cadmium sulphide
D. Cadmium sulphate
Answer» B. Cadmium oxide
Discussion
4.

__________ is one of the most important materials is also known as solar grade silicon.

A. Crushed silicon
B. Crystalline silicon
C. Powdered silicon
D. Silicon
Answer» C. Powdered silicon
Discussion
5.

Solar cells are made from bulk materials that are cut into wafer of _________ thickness.

A. 120-180μm
B. 120-220μm
C. 180-220μm
D. 180-240μm
Answer» E.
Discussion
6.

The amount of photo generated current increases slightly with an increase in _________

A. Temperature
B. Photons
C. Diode current
D. Shunt current
Answer» B. Photons
Discussion
7.

The term photo voltaic comes from ________

A. Spanish
B. Greek
C. German
D. English
Answer» C. German
Discussion
8.

___________IS_ONE_OF_THE_MOST_IMPORTANT_MATERIALS_IS_ALSO_KNOWN_AS_SOLAR_GRADE_SILICON.?$

A. Crushed silicon
B. Crystalline silicon
C. Powdered silicon
D. Silicon
Answer» C. Powdered silicon
Discussion
9.

__________ is a direct band gap material.
A. Copper Indium Gallium Selenide
B. Copper Selenide
C. Copper Gallium Telluride
D. Copper Indium Gallium Diselenide
Answer» B. Copper Selenide
Discussion
10.

___________photo_voltaic_devices_in_the_form_of_thin_films.$
A. Cadmium Telluroide
B. Cadmium oxide
C. Cadmium sulphide
D. Cadmium sulphate
Answer» B. Cadmium oxide
Discussion
11.

Organic polymer solar cells are made from Polyphenylene.

A. True
B. False
Answer» B. False
Discussion
12.

The quantum dot used are _______

A. Cds
B. CdTe
C. PbO
D. GaAs
Answer» B. CdTe
Discussion
13.

Quantum dot solar cells are based on _______

A. Gratzel cell
B. Solar cell
C. Voltaic cell
D. Galvanic cell
Answer» B. Solar cell
Discussion
14.

Dye-sensitized_solar_cells_are_made_from__________organic_dye.

A. Ruthium melallo
B. Aniline
C. Safranine
D. Induline
Answer» B. Aniline
Discussion
15.

Solar cells are made from bulk materials that are cut into wafer of _________ thickness?

A. 120-180μm
B. 120-220μm
C. 180-220μm
D. 180-240μm
Answer» E.
Discussion
16.

The amount of photo generated current increases slightly with increase in _________

A. Temperature
B. Photons
C. Diode current
D. Shunt current
Answer» B. Photons
Discussion
17.

The current produce by the solar cell can be given by _________

A. I<sub>L</sub> – I<sub>D </sub>+ I<sub>Sh</sub>
B. I<sub>L</sub> + I<sub>D </sub>– I<sub>Sh</sub>
C. I<sub>L</sub> + I<sub>D </sub>+ I<sub>Sh</sub>
D. I<sub>L</sub> – I<sub>D </sub>– I<sub>Sh</sub>
Answer» E.
Discussion
18.

The region where the electrons and holes diffused across the junction is called ________

A. Depletion Junction
B. Depletion region
C. Depletion space
D. Depletion boundary
Answer» C. Depletion space
Discussion
19.

When the source of light is not sun light then the photo voltaic cell is used as ____________

A. Photo diode
B. Photo voltaic cell
C. Photo detector
D. Photo transmitter
Answer» D. Photo transmitter
Discussion
20.

The term photo voltaic is in use since _________

A. 1840
B. 1844
C. 1849
D. 1850
Answer» D. 1850
Discussion
21.

The volt is the units of emf that was named after its inventor _________

A. Alessandro volta
B. Alxender volta
C. Alexa volta
D. Alexandro volta
Answer» B. Alxender volta
Discussion
22.

The term photo voltaic comes from ________
A. Spanish
B. Greek
C. German
D. English
Answer» C. German
Discussion