For television broadcasting, the frequency employed is normally

Options

A. 30 - 300 MHz
B. 30-300 GHz
C. 30-300 kHz
D. 30-300 Hz

Answer

To solve the question regarding the frequency employed for television broadcasting, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Context**: The question asks about the frequency range typically used for television broadcasting.

2. **Identify the Options**: The options given are:
- A) 30 to 300 megahertz (MHz)
- B) 30 to 300 gigahertz (GHz)
- C) 30 to 300 kilohertz (kHz)
- D) 30 to 300 hertz (Hz)

3. **Recall Relevant Information**: Television broadcasting utilizes specific frequency bands to ensure good signal quality. The frequencies used for television broadcasting fall under the Very High Frequency (VHF) band.

4. **Determine the Correct Frequency Range**: The VHF band is defined as the frequency range from 30 MHz to 300 MHz. This range is optimal for television signals as it allows for better transmission quality and coverage.

5. **Evaluate the Options**:
- Option A (30 to 300 MHz) matches the VHF range.
- Option B (30 to 300 GHz) is too high for television broadcasting.
- Option C (30 to 300 kHz) is too low for television broadcasting.
- Option D (30 to 300 Hz) is also too low for television broadcasting.

6. **Select the Correct Answer**: Based on the above evaluation, the correct answer is **A) 30 to 300 megahertz (MHz)**.

### Final Answer:
For television broadcasting, the frequency employed is normally **30 to 300 megahertz (MHz)**.

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