MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is an example of a molecule whose centre of mass of positive and negative charges does not coincide each other? |
| A. | NH3 |
| B. | H2 |
| C. | CH4 |
| D. | CO2 |
| Answer» B. H2 | |
| 2. |
‘X’ is a substance which does not allow the flow of charges through it but permits them to exert electrostatic forces on one another through it. Identify X. |
| A. | Polar molecule |
| B. | Dielectric |
| C. | Non-polar molecule |
| D. | Equipotential |
| Answer» C. Non-polar molecule | |
| 3. |
The molecules of a polar dielectric have no dipole moment. State true or false. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
In which type of molecule positive and negative charges does not coincide with each other? |
| A. | Isentropic |
| B. | Equipotential |
| C. | Polar |
| D. | Non-polar |
| Answer» D. Non-polar | |
| 5. |
What is the induced dipole moment developed per unit volume of a dielectric when placed in an external electric field called? |
| A. | Relative permittivity |
| B. | Polarisation susceptibility |
| C. | Electric susceptibility |
| D. | Polarisation density |
| Answer» E. | |
| 6. |
Which of the following is an example of a molecule whose centre of mass of positive and negative charges coincide each other? |
| A. | CO2 |
| B. | CO |
| C. | CH3OH |
| D. | NH3 |
| Answer» B. CO | |
| 7. |
What is the ratio of the polarization to εo times the electric field called? |
| A. | Polarisation density |
| B. | Electric susceptibility |
| C. | Dielectric strength |
| D. | Dielectric susceptibility |
| Answer» C. Dielectric strength | |
| 8. |
In which type of molecule positive and negative charges coincide with each other? |
| A. | Polar |
| B. | Unipolar |
| C. | Non-polar |
| D. | Bipolar |
| Answer» D. Bipolar | |