Complex Numbers MCQS With Solution | Solve Complex Numbers MCQS
Bold Options are rights answers of the following complex numbers Mcqs.
Also Read 400+ Mcqs Of Physics
1. If z is any complex number, then z − z̅ equals:
A. 2 Im(z)
B. -2 Im(z)
C. 2 Im(z)i
D. -2 Im(z)i
2. Complex numbers with 0 as real part are called:
A. imaginary numbers
B. pure non real numbers
C. pure imaginary numbers
D. pure complex numbers
3. The argument of which of the following number is not defined?
A. 0
B. 1
C. 1/0
D. i
4. If θ is the principal argument Arg(z) of a complex number z, then:
A. 0 ≤ θ ≤ 2π
B. −π ≤ θ ≤ π
C. −π ≤ θ < π
D. −π < θ ≤ π
5. For k ∈ Z, the relationship between arg(z) and Arg(z) is:
A. arg(z)= Arg(z)+2kπ
B. Arg(z)= arg(z)+2kπ
C. arg(z)= Arg(z)−2kπ
D. All of these
6. Which of the following is unique?
A. Arg(z)
B. arg(z)
C. Both A and B
D. None of these
7. We can write r(cos θ + isin θ) as:
A. rsicθ
B. rcsiθ
C. rcisθ
D. r cos θ
8. The value of arg(5) is:
A. 0◦
B. 90◦
C. 180◦
D. 270◦
9. The value of arg(−5) is:
A. 0◦
B. 90◦
C. 180◦
D. 270◦
10.
The value of arg(5i) is:
A. 0◦
B. 90◦
C. 180◦
D. 270◦
