

MCQOPTIONS
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This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Pulp Paper knowledge and support exam preparation. Choose a topic below to get started.
1. |
Light might also be ___________ as it is transmitted through a material. Reflection, refraction, and __________ of light are all very crucial in determining and predicting the optical properties of paper. |
A. | Absorption |
B. | Reflection |
C. | Refraction |
D. | Dispersion |
Answer» B. Reflection | |
2. |
__________ utilizes the fact that the index of refraction of a material is a function of the wavelength of the light ray. |
A. | Absorption |
B. | Reflection |
C. | Refraction |
D. | Dispersion |
Answer» E. | |
3. |
__________ paper scatters light very little and has relatively less absorbance so that most light is transmitted through it, unless it is very thick. |
A. | Cellophane |
B. | Latex |
C. | Glassine |
D. | Plastic |
Answer» D. Plastic | |
4. |
With __________ it’s possible that a light ray will be reflected back into a material when striking at a higher angle. |
A. | TIR |
B. | TIM |
C. | CPR |
D. | VIBGYOR |
Answer» B. TIM | |
5. |
If any refracted light were to travel the same path backward the same relationship would exist, that is__________ = n.( The angle of reflection for normal is (φa = φr)) |
A. | sin φa/cos φb |
B. | cos φa/sin φb |
C. | cosec φa/sin φb |
D. | sin φa/sin φb |
Answer» E. | |
6. |
It is known that the angle of refraction from normal isn’t equal to the angle of the incident light from normal (φa = φr) |
A. | True |
B. | False |
Answer» C. | |
7. |
If a beam of light travelling in a vacuum strikes a flat surface of a transparent material at an angle of incidence φa relative to normal some of the light will be reflected at angle φr |
A. | True |
B. | False |
Answer» B. False | |
8. |
LIGHT_MIGHT_ALSO_BE_____________AS_IT_IS_TRANSMITTED_THROUGH_A_MATERIAL._REFLECTION,_REFRACTION,_AND____________OF_LIGHT_ARE_ALL_VERY_CRUCIAL_IN_DETERMINING_AND_PREDICTING_THE_OPTICAL_PROPERTIES_OF_PAPER.?$ |
A. | Absorption |
B. | Reflection |
C. | Refraction |
D. | Dispersion |
Answer» B. Reflection | |
9. |
__________ utilizes the fact that the index of refraction of a material is a function of the wavelength of the light ray? |
A. | Absorption |
B. | Reflection |
C. | Refraction |
D. | Dispersion |
Answer» E. | |
10. |
__________ paper scatters light very little and has relatively less absorbance so that most light is transmitted through it, unless it is very thick? |
A. | Cellophane |
B. | Latex |
C. | Glassine |
D. | Plastic |
Answer» D. Plastic | |
11. |
__________ has very high absorbance across the spectrum and so little light is reflected or transmitted. |
A. | White paper |
B. | Grey paper |
C. | Black paper |
D. | Red paper |
Answer» D. Red paper | |
12. |
It is known that the maximum amount of scattering results when the minimum particle dimension is about 1.5 the wavelength of the light being __________ |
A. | Scattering |
B. | Shaping |
C. | Tyndell |
D. | Intensity |
Answer» B. Shaping | |
13. |
With __________ it’s possible that a light ray will be reflected back into a material when striking at a higher angle.$ |
A. | TIR |
B. | TIM |
C. | CPR |
D. | VIBGYOR |
Answer» B. TIM | |
14. |
__________ means that when light travels from a material of less index of refraction to a material of higher index of refraction, the light is bent towards the normal. |
A. | Reflection |
B. | Refraction |
C. | Radiation |
D. | Plunge |
Answer» C. Radiation | |
15. |
If any refracted light were to travel the same path backward the same relationship would exist, that is__________ = n.( The angle of reflection for normal is (φa = φr))$ |
A. | sin φ<sub>a</sub>/cos φ<sub>b</sub> |
B. | cos φ<sub>a</sub>/sin φ<sub>b</sub> |
C. | cosec φ<sub>a</sub>/sin φ<sub>b</sub> |
D. | sin φ<sub>a</sub>/sin φ<sub>b</sub> |
Answer» E. | |
16. |
It is known that the angle of refraction from normal isn’t equal to the angle of the incident light from normal (φa = φr)$ |
A. | True |
B. | False |
Answer» C. | |
17. |
If a beam of light travelling in a vacuum strikes a flat surface of a transparent material at an angle of incidence φa relative to normal some of the light will be reflected at angle φr |
A. | True |
B. | False |
Answer» B. False | |