MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
When will the convex lens give a real image? |
| A. | Beyond optical centre |
| B. | Beyond focus |
| C. | Beyond centre of curvature |
| D. | Between focus and curvature |
| Answer» C. Beyond centre of curvature | |
| 2. |
From which part of the lens, the ray of light passes without deviation? |
| A. | Optical centre |
| B. | Focus |
| C. | Centre of curvature |
| D. | Pole |
| Answer» B. Focus | |
| 3. |
Name the bending of light, if the beam of light passes obliquely from one medium to another. |
| A. | Refraction |
| B. | Dispersion |
| C. | Reflection |
| D. | Deviation |
| Answer» B. Dispersion | |
| 4. |
How is Lateral or Transverse magnification given? |
| A. | m = h1/h2 |
| B. | m = h2/h1 |
| C. | m = h1*h2 |
| D. | m = h2 + h1 |
| Answer» B. m = h2/h1 | |
| 5. |
If the lens is placed in water, then the refractive index with respect to water will be ________ |
| A. | m=a/b |
| B. | m=b/a |
| C. | m*a=b |
| D. | m/b=a |
| Answer» B. m=b/a | |
| 6. |
If the object is at infinity, where and how will the image form? |
| A. | At 2F, real, inverted and of same size |
| B. | At F, point size, real and inverted |
| C. | Between F and 2F, real, inverted and diminished |
| D. | Beyond 2F, real, inverted and magnified |
| Answer» C. Between F and 2F, real, inverted and diminished | |
| 7. |
What is the power of lens? |
| A. | Reciprocal of R |
| B. | Reciprocal of C |
| C. | Reciprocal of f |
| D. | Equal to f |
| Answer» D. Equal to f | |
| 8. |
Where does the principal axis intersect the two refracting surfaces? |
| A. | Front vertex and back vertex |
| B. | Focal length |
| C. | Radius of curvature |
| D. | Principal focus |
| Answer» B. Focal length | |
| 9. |
What is the reciprocal, of the length of radius of curvature? |
| A. | Focal length |
| B. | Curvature |
| C. | Optical centre |
| D. | Power |
| Answer» C. Optical centre | |
| 10. |
Out of the following which one is diverging or negative lens? |
| A. | Biconvex |
| B. | Plano-convex |
| C. | Biconcave |
| D. | Positive meniscus |
| Answer» D. Positive meniscus | |
| 11. |
What are Concave lenses? |
| A. | Thicker from the centre than at the edge |
| B. | Thinner from the centre than at the edge |
| C. | Thicker from both the positions |
| D. | Thinner from both the positions |
| Answer» C. Thicker from both the positions | |
| 12. |
The spherical surface of lens results in ________ |
| A. | having a wide range of focal length |
| B. | having a narrow range of focal length |
| C. | having a wide range of curvature |
| D. | having a narrow range of curvature |
| Answer» C. having a wide range of curvature | |
| 13. |
What is the lens? |
| A. | An image – forming device |
| B. | An image – producing device |
| C. | An image – reflecting device |
| D. | An object – reflecting device |
| Answer» B. An image – producing device | |