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. |
The CO2 molecule is a dipole. The statement is ______ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
An electric dipole is placed inside a cube. What will be the nature of electric flux from the cube surface? |
| A. | Coming out of the surface |
| B. | Coming in towards the surface |
| C. | No flux at all |
| D. | Coming out from one half and coming inwards in another half |
| Answer» D. Coming out from one half and coming inwards in another half | |
| 3. |
Two point charges 1C and -1C are placed 5mm away from each other forming a dipole. What will be the field intensity at a point 15 cm away from the dipole on its axis? |
| A. | 1.66*10<sup>9</sup> N/C |
| B. | 2.66*10<sup>16</sup> N/C |
| C. | 3*10<sup>18</sup> N/C |
| D. | 1.4*10<sup>16</sup> N/C |
| Answer» C. 3*10<sup>18</sup> N/C | |
| 4. |
The electric field at a point on the perpendicular bisector of a dipole is directed ______ |
| A. | Along the dipole moment |
| B. | Perpendicular to the dipole moment |
| C. | Opposite to the dipole moment |
| D. | 45 degree to the dipole moment |
| Answer» D. 45 degree to the dipole moment | |
| 5. |
Dipole moment depends on _______ |
| A. | Charge only |
| B. | Charge and length of a dipole |
| C. | Charge, length of a dipole and dielectric constant of the medium |
| D. | Charge and dielectric constant of the medium |
| Answer» C. Charge, length of a dipole and dielectric constant of the medium | |
| 6. |
If electric field intensity at a certain distance from a dipole on its axis is E1 and at the same distance but on the perpendicular bisector of the dipole is E2, then __________ |
| A. | E1=E2 |
| B. | E1=2 E2 |
| C. | E1=4 E2 |
| D. | E1=3 E2 |
| Answer» C. E1=4 E2 | |
| 7. |
If the force acting on a point charge kept on the axis of an electric dipole is F, what will be the amount of force if the distance of the point charge is doubled from the dipole? |
| A. | 2F |
| B. | ( frac {F}{8} ) |
| C. | ( frac {F}{2} ) |
| D. | ( frac {F}{4} ) |
| Answer» C. ( frac {F}{2} ) | |
| 8. |
Which among the following molecule is not a dipole? |
| A. | NH<sub>3</sub> |
| B. | H<sub>2</sub>O |
| C. | HCl |
| D. | CH<sub>4</sub> |
| Answer» E. | |