AIIMS 2005 Physics Transparency and Opacity Assertion Reason Question
Assertion : By roughening the surface of a glass sheet its transparency can be reduced.
Reason : Glass sheet with rough surface absorbs more light.
Both assertion and reason are true and reason is the correct explanation of assertion
Both assertion and reason are true but reason is not the correct explanation of assertion
Assertion is true but reason is false
Both assertion and reason are false
Correct Answer
Detailed Explanation
When glass surface is made rough then the light falling on it is scattered in different direction due to which its transparency decreases.
Found an issue with this question?
Related Questions
More from 2005
AIDS is caused by HIV that principally infects:
Assertion : The logic gate NOT can be built using diode. Reason : The output voltage and the input voltage of the diode have 180° phase difference.
In a semiconducting material the mobilities of electrons and holes are μₑ and μₕ, respectively. Which of the following is true?