Explore topic-wise MCQs in Physics.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

Find the true statement.

A. The value of the harmonic is equal to its contribution to the waveform
B. The value of the harmonic is directly proportional to its contribution to the waveform
C. The value of the harmonic is independent of its contribution to the waveform
D. The value of the harmonic is inversely proportional to its contribution to the waveform
Answer» E.
Discussion
2.

A TV signal is allocated with a bandwidth of 6 MHz.

A. True
B. False
Answer» B. False
Discussion
3.

The frequencies for transmitting music is which of the following?

A. Low
B. High
C. Moderate
D. Very high
Answer» C. Moderate
Discussion
4.

What is the frequency range for a speech signal?

A. 20 Hz to 20 kHz
B. 20 kHz to 20 MHz
C. 300 Hz to 3100 Hz
D. 30 Hz to 310 Hz
Answer» D. 30 Hz to 310 Hz
Discussion
5.

The communication system needed for a given signal depends on which of the following?

A. Band of frequencies
B. Length of the channel
C. Size of the transmitter
D. Size of the collector
Answer» B. Length of the channel
Discussion