Explanation

• Conceited means مغرور
• Bossy means دبنگ اور حد سے زیادہ اعتماد
• Impudent means غیر منقولہ

Explanation

Indolent means کام چور یا سست

Lazy means کام سے جی چرانے والا

Explanation

I have never known him for a long time.

میں اسے ایک عرصے سے کبھی نہیں جانتا تھا۔

"Have never known" is the correct present perfect tense.

It indicating that up until now, the speaker has never known the person.

Explanation

The study of viruses is called virology.

Virology encompasses the study of viruses, their structure, classification, evolution, and how they interact with living organisms.

Explanation

The SI unit of impedance is the ohm (Ω).

Impedance, like resistance, is measured in ohms.

It can be represented as a complex number.

Explanation

Felicity means خوشی یا راحت

Happiness means خوشی

Explanation

The pair of physical quantities with the same dimensions is Work and Energy.           

Both work and energy have the same dimensional formula: ML²T⁻²

Explanation

In a stationary wave, the particle velocity at a node is zero.

Nodes are points of zero displacement in a stationary wave, and therefore, they do not oscillate and have no velocity. 

Explanation

The substance with the most moles is 3.8 g of H2O (0.211 moles).

Therefore, it has the largest number of molecules. 

Explanation

During means کے دوران

The fire alarm rang during yesterday's meeting.

کل کی میٹنگ کے دوران فائر الارم بج گیا۔