Question:medium
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: Aug 18, 2026
- 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
Show Solution
The Correct Option is B
Solution and Explanation
- Oil on lamp A adds fuel but chokes the air around the wick, putting the flame out.
- Petrol on lamp B is highly volatile and burns readily, making the flame brighter.
- Water on lamp C cools the wick and blocks air, putting the flame out.
the correct answer is A will be put off, B will glow bright and C will be put off.
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