MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the cause of the blue color of the ocean? |
| A. | Reflection |
| B. | Scattering of light by water molecules |
| C. | Total internal reflection |
| D. | Refraction |
| Answer» C. Total internal reflection | |
| 2. |
A lens immersed in a transparent liquid is not visible. Under what condition can this happen? |
| A. | Less refractive index |
| B. | Higher refractive index |
| C. | Same refractive index |
| D. | Total internal reflection is zero |
| Answer» D. Total internal reflection is zero | |
| 3. |
On what factor does the normal shift through a refracting medium depend? |
| A. | The thickness of the refracting medium |
| B. | Angle of Prism |
| C. | Angle of deviation |
| D. | Convection |
| Answer» B. Angle of Prism | |
| 4. |
What will be the color of the sky in the absence of the atmosphere? |
| A. | White |
| B. | Dark |
| C. | Blue |
| D. | Pink |
| Answer» C. Blue | |
| 5. |
The refraction in a water tank makes apparent depth the same throughout. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
What is the relative refractive index of water with respect to glass? |
| A. | Unity |
| B. | More than unity |
| C. | Less than unity |
| D. | Zero |
| Answer» D. Zero | |
| 7. |
What happens to the frequency and the wavelength when light passes from a rarer to a denser medium? |
| A. | Wavelength remains unchanged but frequency changes |
| B. | They are independent |
| C. | Wavelength and frequency changes |
| D. | Wavelength changes but the frequency remain unchanged |
| Answer» E. | |
| 8. |
Which of the following causes dispersion? |
| A. | Refraction |
| B. | Reflection |
| C. | Total internal reflection |
| D. | Total internal dispersion |
| Answer» B. Reflection | |
| 9. |
Calculate the refractive index of the material of an equilateral prism for which the angle of minimum deviation is 60°. |
| A. | \(\frac {\sqrt {3}}{2}\) |
| B. | √3 |
| C. | \(\frac {1}{2}\) |
| D. | \(\frac {1}{\sqrt {2}}\) |
| Answer» C. \(\frac {1}{2}\) | |
| 10. |
Identify the factor on which the angle of deviation of the prism does not depend. |
| A. | The angle of incidence |
| B. | The material of the prism |
| C. | The angle of reflection |
| D. | The wavelength of light used |
| Answer» D. The wavelength of light used | |