Explanation

When θ = 0°, the force and displacement are in the same direction, and the work done is maximum.

The formula simplifies to W = F ⋅ d, meaning all the force contributes to the displacement.

Explanation

The energy of a photon is calculated using the formula E = hf, where:

• h = Planck’s constant
• f = frequency of the photon

This shows that photon energy is directly proportional to its frequency.

Explanation

The common phrase is: "Hard work is the key to success," meaning it is the main factor in achieving success.

"Key" symbolizes access or unlocking success through effort.

Explanation

The common saying is: "Excess of everything is bad," meaning too much of anything can be harmful.

It emphasizes the value of balance and moderation in life.

Explanation

This is a well-known proverb: "Necessity is the mother of invention."

It means that needs and problems inspire creative solutions.

Necessity ضرورت

Invention ایجاد

Explanation

The correct preposition with "paid" when referring to something purchased is "for".

The sentence should be: "I have paid for it."

Explanation

Explanation

I am very very much delighted to meet you means

میں آپ سے ملنے کیلئے بے قرار ہوں

Delighted means: you are extremely pleased and excited about something

"Delighted" is best to keep the meaning of the original sentence.

Explanation

If I am here, I shall come to you.

This is a first conditional sentence, used to express a real or possible situation in the future.

The structure is:

If + present tense, shall/will + base verb

So:

"If I am here" (present tense)

"I shall come to you" (future action)

Explanation

Cultivation means means پودوں کی تیاری اور ان کی پرورش کا عمل - بنیادی طور پر ان میں اضافہ

Growing means پودوں کی تیاری اور ان کی پرورش کا عمل - بنیادی طور پر ان میں اضافہ