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Question

When we put up wick and oil in the lamp and burn the wick lamp gets illuminated. Which force is responsible for the production of light?

A
Gravitational force
B
Capillary action
C
Transpiration pull
D
Cohesive and Adhesive forces
Solution
Verified by Toppr

Correct option is B. Capillary action
Capillary action is responsible for the production of light. As a cotton thread is having small capillaries in which oil travels which is responsible for light.

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