Assertion: It is possible to transmit signals from one place on the earth to practically other place on earth.
Reason: A geostationary satellite orbiting the earth is u sed for transmission.

Options

A. Both A and R are true and R is correct explaination of A
B. A is true but R is wrong
C. A is wrong but R is true
D. Both are wrong

Explanation

To analyze the assertion and reason provided in the question, we can break down the solution step by step.

### Step 1: Understand the Assertion
The assertion states that it is possible to transmit signals from one place on the earth to practically any other place on the earth. This is true because modern communication systems, including radio, television, and internet signals, utilize various technologies to achieve global communication.

**Hint:** Consider the various technologies that enable communication over long distances.

### Step 2: Understand the Reason
The reason given is that a geostationary satellite orbiting the earth is used for transmission. Geostationary satellites are positioned at a height of approximately 36,000 kilometers above the Earth's equator and have an orbital period that matches the Earth's rotation period (24 hours). This means they appear stationary relative to a point on the Earth's surface, making them ideal for communication.

**Hint:** Think about how the position of satellites affects their ability to transmit signals.

### Step 3: Connect Assertion and Reason
The assertion and reason are connected because the use of geostationary satellites facilitates the transmission of signals over long distances. Since these satellites can maintain a fixed position relative to the Earth, they can continuously relay signals to and from specific locations on the ground, making global communication feasible.

**Hint:** Reflect on how the functionality of geostationary satellites supports the claim made in the assertion.

### Step 4: Conclusion
Both the assertion and the reason are true, and the reason correctly explains the assertion. Thus, the correct conclusion is that both A (the assertion) and R (the reason) are true, and R is the correct explanation of A.

**Hint:** Review the relationship between the assertion and reason to confirm their validity.

### Final Answer
Both the assertion and the reason are true, and the reason is the correct explanation of the assertion.