MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Which effect is shown by the following figure? |
| A. | Gravitational Redshift |
| B. | Gravitational Blueshift |
| C. | Gravitational Lensing |
| D. | Gravitational force |
| Answer» D. Gravitational force | |
| 2. |
According to Einstein’s special theory of relativity, which of these objects should be the heaviest? |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» D. D | |
| 3. |
The momentum of a photon having energy 1.00 X 10-17 J is ____________ |
| A. | 2.33 X 10-26 kg m/s |
| B. | 3.33 X 10-26 kg m/s |
| C. | 4.33 X 10-26 kg m/s |
| D. | 5.33 X 10-26 kg m/s |
| Answer» C. 4.33 X 10-26 kg m/s | |
| 4. |
A man, who weighs 60 kg on earth, weighs 61 kg on a rocket, as measured by an observer on earth. What is the speed of the rocket? |
| A. | 2.5 X 108 m/s |
| B. | 2.5 X 107 m/s |
| C. | 5.5 X 107 m/s |
| D. | 5.5 X 108 m/s |
| Answer» D. 5.5 X 108 m/s | |
| 5. |
A frame of reference has four coordinates, x, y, z, and t is referred to as the_____________ |
| A. | Inertial frame of reference |
| B. | Non-inertial frame of reference |
| C. | Space-time reference |
| D. | Four-dimensional plane |
| Answer» D. Four-dimensional plane | |
| 6. |
For Einstein’s relation, E2 – p2c2 = _____________ |
| A. | moc2 |
| B. | mo2c4 |
| C. | moc4 |
| D. | mo2c6 |
| Answer» C. moc4 | |
| 7. |
According to Einstein’s Special Theory of Relativity, laws of physics can be formulated based on ____________ |
| A. | Inertial Frame of Reference |
| B. | Non-Inertial Frame of Reference |
| C. | Both Inertial and Non-Inertial Frame of Reference |
| D. | Quantum State |
| Answer» B. Non-Inertial Frame of Reference | |
| 8. |
The orbit of mercury is changing slightly due to the sun’s gravity. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
If the sun radiates energy at the rate of 4 x 1026 Js-1, what is the rate at which its mass is decreasing? |
| A. | 5.54 x 109 kgs-1 |
| B. | 4.44 x 109 kgs-1 |
| C. | 3.44 x 109 kgs-1 |
| D. | 2.44 x 109 kgs-1 |
| Answer» C. 3.44 x 109 kgs-1 | |
| 10. |
As an object approaches the speed of light, it’s mass becomes _____________ |
| A. | Zero |
| B. | Double |
| C. | Remains Same |
| D. | Infinite |
| Answer» E. | |