Explanation

In Simple Harmonic Motion (SHM), instantaneous velocity is maximum when displacement is zero.

This occurs when the phase angle is 90° with respect to displacement (since velocity leads displacement by 90° in SHM).

Explanation

A rocket accelerates in space by expelling exhaust gases backward, which, according to Newton’s third law, produces an equal and opposite force pushing the rocket forward.

This force is called thrust and does not depend on external air or gravity.

Explanation

Light : Darkness → opposites means روشنی : اندھیرے

Sanity : Madness → opposites means سنجیدگی : جنون

Explanation

Folders hold and organize files and other folders, just like envelopes hold papers.

They help keep digital documents organized and easy to find.

Explanation

Sufficient means "enough" or "adequate."

Its antonym is inadequate, meaning "not enough" or "insufficient."

Sufficient means کافی

Inadequate means ناکافی

Explanation

اسم نکرہ ایسے عام نام ہوتے ہیں جو کسی خاص چیز، شخص یا جگہ کی نشان دہی نہیں کرتے، جیسے: تاجر، پہاڑ، غلام۔

یہ کسی غیر معین (نامعلوم) چیز کو ظاہر کرتے ہیں۔

Explanation

A metaphor directly compares two unlike things without using "like" or "as."

Simile also compares but uses "like" or "as".

Alliteration is repetition of consonant sounds.

Explanation

Bluetooth is a short-range radio communication technology used for exchanging data over short distances (typically up to 10 meters).

It enables wireless connection between devices like phones, headsets, and computers.

Explanation

She said to her mother, "I am going to the market."

In direct speech, "she was" (in indirect) changes back to "I am", because the speaker is quoting herself directly.

The reporting verb "told" changes to "said to" in direct speech when a dialogue is quoted.

Explanation

Won't improve means بہتری نہیں آئے گی

"Won't improve" is the correct choice because it refers to a future outcome dependent on a present action (learning to take a break).

The sentence implies that if you don't take breaks, your ability to speak English will not improve in the future.