STATEMENT-1: When water is heated by a burner in metallic container its level first decreases then increases.
STATEMENT-2: Thermal conductivity of metal is very compared to water.

Options

A. Statement-1 is Ture, Statement-2 is Ture, Statement-2 is a correct explanation for Statement-1
B. Statement-1 is Ture, Statement-2 is Ture, Statement-2 is NOT a correct explanation for Statement-1
C. Statement-1 is False, Statement-2 is Ture.
D. Statement-1 is True, Statement-2 is False

Explanation

To solve the question, we need to analyze both statements individually and determine their validity and relationship.

### Step 1: Analyze Statement 1
**Statement 1:** When water is heated by a burner in a metallic container, its level first decreases then increases.

- When the burner heats the metallic container, the metal expands due to thermal expansion.
- Initially, the heat is absorbed by the metallic container, causing it to expand more than the water.
- This initial expansion of the container can lead to a decrease in the water level because the container's volume is increasing faster than the water's volume.
- After some time, as the water also begins to heat up and expand, the water level will start to rise again.

**Conclusion for Statement 1:** This statement is correct.

### Step 2: Analyze Statement 2
**Statement 2:** Thermal conductivity of metal is very high compared to water.

- Metals are known for their high thermal conductivity, which allows them to transfer heat quickly.
- Water, on the other hand, has a much lower thermal conductivity compared to metals.
- This difference in thermal conductivity means that when heat is applied, the metal will heat up and expand faster than the water.

**Conclusion for Statement 2:** This statement is also correct.

### Step 3: Relationship between the Statements
- Statement 2 provides a valid explanation for Statement 1. The high thermal conductivity of the metal leads to its rapid expansion, which causes the initial decrease in water level before the water begins to expand.

### Final Conclusion
Both statements are correct, and Statement 2 correctly explains Statement 1. Therefore, the answer is:

**Option A: Both statements are correct, and Statement 2 is the correct explanation for Statement 1.**

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