McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics .
| 1. |
If the angle of incidence of light falling on a plane mirror is 30degree, what will be the angle of reflection? |
| A. | 90 degree |
| B. | 60 degree |
| C. | 30 degree |
| D. | 0 degree |
| Answer» C. 30 degree | |
| 2. |
Whe we stand in front of our dressing table, our left hand seems to be right and right seems to be left. This is called |
| A. | Left-right confusion |
| B. | Lateral inversion |
| C. | Up -side down phenomenon |
| D. | mirage |
| Answer» B. Lateral inversion | |
| 3. |
Light passing through a prism splits into its colour. This is called |
| A. | Dispersion |
| B. | Dissolution |
| C. | Division |
| D. | None of the above |
| Answer» A. Dispersion | |
| 4. |
Rainbow is a natural phenomenon showing |
| A. | Reflection |
| B. | Refraction |
| C. | Dispersion |
| D. | Diversion |
| Answer» C. Dispersion | |
| 5. |
In the retina of the eye, the area having no sensory cells is called |
| A. | iris |
| B. | Blind spot |
| C. | cornea |
| D. | Dark spot |
| Answer» B. Blind spot | |
| 6. |
If light falls perpendicularly on a plane mirror, what will be the angle in which it will be reflected? |
| A. | 45 degree |
| B. | 90 degree |
| C. | 180 degree |
| D. | 360 degree |
| Answer» B. 90 degree | |
| 7. |
Which of the following is not luminous object? |
| A. | sun |
| B. | candle |
| C. | moon |
| D. | Tube light |
| Answer» C. moon | |
| 8. |
To make a kaleidoscope we require |
| A. | Three plane mirrors |
| B. | Four plane mirrors |
| C. | Three glass sheets |
| D. | Four glass sheets |
| Answer» A. Three plane mirrors | |
| 9. |
In our eye _______cells can sense colour |
| A. | Rod |
| B. | Cone |
| C. | Both rod and cone |
| D. | Neither rod nor cone |
| Answer» C. Both rod and cone | |
| 10. |
An owl can see clearly at night but not day time because it has |
| A. | More rods and few cones |
| B. | Less rod and more cones |
| C. | More rods and more cone |
| D. | Less rods and less cones |
| Answer» A. More rods and few cones | |
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