In the following question from statement-1 (Assertion) is...

In the following question from statement-1 (Assertion) is followed by statement-2 (Reason) Each question has the following four choice out of which only one choice is correct (a) Statement $-1$ is true, statement $-2$ is true. Statement- 2 is a correct explanation for statement-1. (b) Statement-1 is true, statement-2 is true, statement $-2$ is not a correct explanation for statement $-1$. (c) Statement $-1$ is true, statement- 2 is false (d) Statement-1 is false, statement- 2 is true. Statement-1 :- sky waves are not used in the transmission of T.V signals Statement-2 :- T.V signals have a frequency range of 100 to $200 \mathrm{MHz}$ (A) a (B) $\mathrm{b}$ (C) $\mathrm{c}$ (D) d

In the following question from statement-1 (Assertion) is followed by statement-2 (Reason) Each question has the following four choice out of which only one choice is correct
(a) Statement $-1$ is true, statement $-2$ is true. Statement- 2 is a correct explanation for statement-1.
(b) Statement-1 is true, statement-2 is true, statement $-2$ is not a correct explanation for statement $-1$.
(c) Statement $-1$ is true, statement- 2 is false
(d) Statement-1 is false, statement- 2 is true.
Statement-1 :- sky waves are not used in the transmission of
T.V signals Statement-2 :- T.V signals have a frequency range of 100 to $200 \mathrm{MHz}$
(A) a
(B) $\mathrm{b}$
(C) $\mathrm{c}$
(D) d

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Key Concepts

Frequency Ranges in Electromagnetic Communication

This concept deals with the allocation and use of specific frequency bands for different types of communication. In the case of television broadcasting, the signals are typically transmitted in the VHF and UHF bands, which have characteristics that influence signal propagation and are different from the frequency ranges used for traditional sky wave propagation.

Assertion-Reason Questions

This concept refers to a common format used in various competitive exams where an assertion (a statement) is accompanied by a reason. The task is to evaluate the truth of both statements and determine whether the reason correctly explains the assertion. Understanding this format requires critical reasoning to assess the relationship between the two assertions without relying solely on factual recall.

Sky Wave Propagation

Sky wave propagation involves the transmission of radio waves that are reflected or refracted back to Earth by the ionosphere. This mechanism is effective for long-distance communication at lower frequencies, such as those used in shortwave radio, but it is not suitable for higher frequency transmissions like those used in television broadcasting which rely on line-of-sight propagation.

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