MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Convert -1-i into polar form. |
| A. | \(\sqrt{2}\), 5π/4 |
| B. | \(\sqrt{2}\), 3π/4 |
| C. | \(\sqrt{2}\), -3π/4 |
| D. | \(\sqrt{2}\), π/4 |
| Answer» D. \(\sqrt{2}\), π/4 | |
| 2. |
Convert -1+i into polar form. |
| A. | \(\sqrt{2}\), 5π/4 |
| B. | \(\sqrt{2}\), 3π/4 |
| C. | –\(\sqrt{2}\), π/4 |
| D. | \(\sqrt{2}\), π/4 |
| Answer» C. –\(\sqrt{2}\), π/4 | |
| 3. |
Convert (8, 2π/3) into Argand plane representation. |
| A. | (-4, 4\(\sqrt{3}\)) |
| B. | (4, 4\(\sqrt{3}\)) |
| C. | (4\(\sqrt{3}\), 4) |
| D. | (-4\(\sqrt{3}\), 4) |
| Answer» B. (4, 4\(\sqrt{3}\)) | |
| 4. |
In polar representation of a complex number (r, π/2) lies on ____________ |
| A. | x-axis |
| B. | y-axis |
| C. | z-axis |
| D. | any axis |
| Answer» C. z-axis | |
| 5. |
In polar representation of a complex number (r, 2π) lies on ____________ |
| A. | x-axis |
| B. | y-axis |
| C. | z-axis |
| D. | any axis |
| Answer» B. y-axis | |
| 6. |
If P and Q are conjugate complex numbers then their points on argand plane are mirror image on __________________ |
| A. | x-axis |
| B. | y-axis |
| C. | z-axis |
| D. | any axis |
| Answer» B. y-axis | |
| 7. |
Find mirror image of point representing x+i y on imaginary axis. |
| A. | (x, y) |
| B. | (-x, -y) |
| C. | (-x, y) |
| D. | (x, -y) |
| Answer» D. (x, -y) | |
| 8. |
Find mirror image of point representing x+i y on real axis. |
| A. | (x, y) |
| B. | (-x, -y) |
| C. | (-x, y) |
| D. | (x, -y) |
| Answer» E. | |
| 9. |
\(\sqrt{x^2+y^2}\) distance of point representing complex number x+y i from origin. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
6i is point on ____________________ |
| A. | x-axis |
| B. | y-axis |
| C. | z-axis |
| D. | any axis |
| Answer» C. z-axis | |
| 11. |
2+i0 is point on ______________ |
| A. | x-axis |
| B. | y-axis |
| C. | z-axis |
| D. | any axis |
| Answer» B. y-axis | |
| 12. |
Which axis is known as imaginary axis in argand plane? |
| A. | x-axis |
| B. | y-axis |
| C. | z-axis |
| D. | any axis |
| Answer» C. z-axis | |
| 13. |
Which axis is known as real axis in argand plane? |
| A. | x-axis |
| B. | y-axis |
| C. | z-axis |
| D. | any axis |
| Answer» B. y-axis | |