Surah Qaf 50:30

يَوْمَ نَقُولُ لِجَهَنَّمَ هَلِ ٱمْتَلَأْتِ وَتَقُولُ هَلْ مِن مَّزِيدٍ

On the Day We will say to Hell, "Have you been filled?" and it will say, "Are there some more,"

Translation: Saheeh International

Tafsir

on the day yawma is in the accusative because of zallām ‘unjust’ when We will say naqūlu may also be read yaqūlu ‘He will say’ to Hell ‘Are you now full?’ this interrogative is for confirmation of His promise to fill it with mankind and jinn and it will say by way of an interrogative such as a question ‘Are there any …

Excerpt from Tafsir al-Jalalayn, commentary on 50:30, via Quran.com. The reader has the full commentary and 9 more tafsirs.