19 October 2026: light, density, statistics, civics and Ellora quiz

62 degrees — The normal is perpendicular to the surface, so the required angle is 90 − 28 = 62 degrees.

It is parallel but can be displaced sideways — Refraction at the two parallel faces leaves the emergent direction parallel to the incident direction while producing lateral displacement.

5 g per cubic centimetre — Density = mass / volume = 350 / 70 = 5 g per cubic centimetre.

2 g per cubic centimetre = 2,000 kg per cubic metre — One gram per cubic centimetre equals 1,000 kg per cubic metre; multiply by two.

7.5 — Ordering gives 3, 6, 9, 14. The average of the middle two is (6 + 9) / 2 = 7.5.

8 and 5 — The sum is 40, so the mean is 8; the middle ordered value is 5.

Rights have constitutional remedies; Directive Principles are not directly justiciable as such — The civics chapter distinguishes enforceable rights protections from non-justiciable policy directions.

Whether they are directly judicially enforceable as such — The term concerns direct court enforceability, not the absence of constitutional significance.

Caves 30–34 — UNESCO identifies caves 30–34 as the Jain group.

Cave 16 — Brahmanical group — Kailasa is Cave 16, within the Brahmanical group in the World Heritage account.