Explanation

The n + l rule helps determine the energy of orbitals, where n = principal quantum number and l = azimuthal quantum number.

For 3p orbital, n = 3 and l = 1, so n + l = 4, matching the given condition.

Explanation

Time period T = 1/frequency 1/0.5 = 2 seconds.

The time period is the time taken for one complete oscillation.

Explanation

Explanation

Fox means لومڑ

Vixen means لومڑی

Explanation

The entire house was painted by Tahir.

The original sentence is in simple past tense ("painted"), so the passive voice must also be in simple past.

"Was painted" correctly changes the active sentence to passive in past tense.

Explanation

"Success" is an abstract noun because it refers to a concept or an idea, something that cannot be physically touched or seen.

Abstract nouns represent feelings, qualities, or states.

Voncrete nouns which refer to physical objects.

Explanation

مکہ معظمہ سے ایک منزل کے فاصلے پر ایک کنواں "حدیبیہ" کے نام سے مشہور ہے۔

وہیں مارچ 628ء (6 ہجری) میں مدینہ کے مسلمانوں اور مشرکینِ مکہ کے درمیان ایک معاہدہ ہوا جسے صلح حدیبیہ (عربی میں: صلح الحديبية) کہا جاتا ہے۔

یہ صلح غزوۂ قریظہ کے بعد واقع ہوئی۔

Explanation

"Whom" is the objective case of "who," used when referring to the object of the verb (here, "punish").

Example: Whom did you invite? (Correct because "invite" acts on "whom").

Explanation

Foresight means دور اندیشی

Improvidence means دور اندیشی یا منصوبہ بندی کا فقدان

Explanation

According to the law of reflection, angle of incidence = angle of reflection.

So, if light strikes at 30°, it reflects at 30°.