Assertion: Glass panes fixed to windows or doors of old buildings are slightly thicker at the bottom than at the top. Reason: Glass is a pseudo solid or supercooled liquid.

Question

Assertion: Glass panes fixed to windows or doors of old buildings are slightly thicker at the bottom than at the top. Reason: Glass is a pseudo solid or supercooled liquid. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

Glass panes fixed to windows or doors of old buildings are found to become thicker at the bottom because the glass is supercooled liquid and it flows down very slowly and makes the bottom portion thicker. Hence, both assertion and reason are correct.

Q. Assertion : Glass panes fixed to windows or doors of old buildings are slightly thicker at the bottom than at the top. Reason : Glass is a pseudo solid or supercooled liquid.

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

Glass panes fixed to windows or doors of old buildings are found to become thicker at the bottom because the glass is supercooled liquid and it flows down very slowly and makes the bottom portion thicker. Hence, both assertion and reason are correct.

Q. Assertion : Glass panes fixed to windows or doors of old buildings are slightly thicker at the bottom than at the top.
Reason : Glass is a pseudo solid or supercooled liquid.