Explanation

Energy density is defined as energy per unit volume, so the SI unit is joules per cubic meter (J/m³).

It applies to electric fields where

𝑢 = 1/2𝜀𝐸², with 𝑢 being energy density.

Explanation

Electric field intensity is defined as force per unit charge (N/C) or potential difference per unit distance (V/m).

So, V/m is an equivalent.

It is commonly used unit for electric field intensity.

Explanation

The incorrect statement is "sigma bond is weaker than a pi bond" because a sigma bond is stronger than a pi bond.

Sigma bond: Formed by direct head-on overlap of orbitals, resulting in a strong bond. 

Pi bond: Formed by sideways overlap of p orbitals, resulting in a weaker bond compared to a sigma bond. 

Explanation

The correct preposition after "congratulated" is "on" when referring to success or achievements.

So, the sentence is: "She congratulated me on my success."

Explanation

The correct preposition with "adjacent" is "to."

Correct sentence: "His house is adjacent to the mosque."

Explanation

The correct phrase is "yelling at" when someone is shouting angrily toward someone.

Correct sentence: "She was yelling at her students."

Explanation

The phrase "brought up" means to raise or rear a child.

Correct sentence: "She was brought up by her uncle."

Explanation

According to Coulomb’s Law, force is inversely proportional to the square of distance: F∝ 1/r².

So, if distance is doubled, force becomes 1/(2)² = 1/2.

Explanation

Cluster means اسی طرح کی چیزوں کا ایک گروپ قریب سے جمع ہوا

Bunch means ایک گروپڈ مجموعہ کی وضاحت کرنا

Explanation

According to the periodic trends, Nitrogen (N) has the largest ionization energy among the given atoms: N, P, As, and Sb. 

 Ionization energy generally increases from left to right across a period on the periodic table.

Since Nitrogen is to the left of Phosphorus, Arsenic, and Antimony, it will have the highest ionization energy.

Additionally, within a group, ionization energy decreases down the column.