(A) : Quasar emits radiowaves more than radio galaxy. (R) : Quasar has very small size.

Options

A. Both 'A' and 'R' are true and 'R' is the correct explanation of 'A'.
B. Both 'A' and ’R' are true and 'R' is not the correct explanation of 'A
C. A' is true and 'R' is false
D. 'A' is false and R' is true

Answer

To solve the question, we need to analyze both the assertion (A) and the reason (R) provided.

### Step 1: Understand the Assertion
The assertion states: "Quasar emits radio waves more than radio galaxy."
- Quasars are known to be extremely powerful and energetic objects in the universe, often emitting vast amounts of energy, including radio waves.
- Radio galaxies also emit radio waves, but typically, quasars are more intense in their emissions.

### Step 2: Understand the Reason
The reason states: "Quasar has very small size."
- Quasars are indeed very compact compared to galaxies. They are often described as having a small size relative to the vastness of galaxies.
- However, the size of a quasar does not directly correlate to the amount of radio waves it emits.

### Step 3: Evaluate the Truth of Each Statement
- **Assertion (A)**: True. Quasars do emit more radio waves than radio galaxies.
- **Reason (R)**: True. Quasars are relatively small in size compared to galaxies.

### Step 4: Determine the Relationship Between A and R
- Although both statements are true, the reason (R) does not explain the assertion (A). The size of a quasar does not determine its ability to emit radio waves; rather, it is the energy and processes occurring within the quasar that lead to its high radio wave emissions.

### Conclusion
Both the assertion and the reason are true, but the reason is not the correct explanation for the assertion. Therefore, the answer is:
**Both A and R are true, but R is not the correct explanation of A.**

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