Question:
Three lamps A, B and C as shown in the figure above are burning using oil as its source of energy. Three incense sticks, E, F and G are taken. E is dipped in oil, F is dipped in petrol and G is dipped in water and are immediately placed over the wick of A, B and C respectively. Then
Three lamps A, B and C as shown in the figure above are burning using oil as its source of energy. Three incense sticks, E, F and G are taken. E is dipped in oil, F is dipped in petrol and G is dipped in water and are immediately placed over the wick of A, B and C respectively. ThenUpdated On: Dec 9, 2024
- A will be put off, B will glow bright and C will be put off
- A will be put off, B will glow bright and C will be put off
- A, B and C will keep glowing
- C will be put off and the status of A and B be cannot determined
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The Correct Option is B
Solution and Explanation
Explanation:
- Lamp A: The incense stick E is dipped in oil and then placed on the wick. The oil-soaked stick will smother the flame, causing A to be put off.
- Lamp B: The incense stick F is dipped in petrol and then placed on the wick. Petrol is highly flammable, so B will glow bright.
- Lamp C: The incense stick G is dipped in water and then placed on the wick. The water-soaked stick will extinguish the flame, causing C to be put off.
Therefore, the correct answer is B: A will be put off, B will glow bright, and C will be put off.
- Lamp A: The incense stick E is dipped in oil and then placed on the wick. The oil-soaked stick will smother the flame, causing A to be put off.
- Lamp B: The incense stick F is dipped in petrol and then placed on the wick. Petrol is highly flammable, so B will glow bright.
- Lamp C: The incense stick G is dipped in water and then placed on the wick. The water-soaked stick will extinguish the flame, causing C to be put off.
Therefore, the correct answer is B: A will be put off, B will glow bright, and C will be put off.
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