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Solution


Q.

Assertion : The air bubble shines in water.
Reason : Air bubble in water shines due to refraction of light.
1 Both assertion and reason are correct and reason is the correct explanation of assertion.
 
2 Both assertion and reason are correct but reason is not the correct explanation of assertion.
 
3 Assertion is true but reason is false.  
4 Assertion is false but reason is true.  

Ans.

(3)

Shining of air bubble in water is on account of total internal reflection. Thus, assertion is true but reason is false.