MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. |
What is the relationship between the focal length, f, of the objective and the resolving power of the telescope, R.P? |
| A. | f R.P |
| B. | f 1/R.P |
| C. | f<sup>2</sup> R.P |
| D. | no relation |
| Answer» C. f<sup>2</sup> R.P | |
| 2. |
A microscope of objective focal length 1 cm and an eyepiece of focal length 2.0 cm has a tube length of 20 cm. What will be the magnification of the microscope? |
| A. | 40 |
| B. | 100 |
| C. | 200 |
| D. | 250 |
| Answer» E. | |
| 3. |
There are three prisms A, B, C of base width 5 cm each with an angle of prism 30 , 36 , 45 respectively. If the light of wavelength 5000A is incident on each of them, which has the highest resolving power? |
| A. | A |
| B. | B |
| C. | C |
| D. | All of them have the same resolving power |
| Answer» E. | |
| 4. |
The resolving power of a telescope is directly proportional to ______ |
| A. | Frequency of the light used |
| B. | The wavelength of the light used |
| C. | Square of the frequency of light used |
| D. | Square of Wavelength of the light used |
| Answer» B. The wavelength of the light used | |
| 5. |
What is the SI unit of Resolving power? |
| A. | m<sup>-1</sup> |
| B. | cm<sup>-1</sup> |
| C. | s<sup>-1</sup> |
| D. | no SI unit |
| Answer» E. | |
| 6. |
In Rayleigh s Criterion for Resolution, two images would be just resolved when _______ |
| A. | The central maxima of one image coincide with central maxima of the other |
| B. | The central maxima of one do not coincide with central maxima of the other |
| C. | The central maxima of one image coincides with the first minimum of the other |
| D. | The central maxima of one image do not coincide with the first minimum of other |
| Answer» D. The central maxima of one image do not coincide with the first minimum of other | |
| 7. |
Our eyes see two objects as separate, only in the angle subtended by them at the eye is greater than ______________ |
| A. | 30 seconds |
| B. | 1 minute |
| C. | 2 minute |
| D. | 10 seconds |
| Answer» C. 2 minute | |