Explanation

• An angle inscribed in a semicircle is always 90° due to the Thales' Theorem.
• It is called a right angle because the angle subtended by a diameter is always right.

Last verified on 06-05-2026

Explanation

• Sound waves in solvents (like liquids) travel as longitudinal waves, where particles vibrate parallel to the direction of wave propagation.
• These are a type of mechanical wave, requiring a medium to travel.

Last verified on 19-03-2026

Explanation

• Work means کسی مخصوص ڈیوٹی یا اسائنمنٹ کے لئے
• Task means ایسی کوئی چیز جس کو پورا کرنے یا مکمل کرنے کی ضرورت ہے

Last verified on 13-03-2026

Explanation

Top three polluted city in the World:

1. Lahore, Pakistan

2. Delhi, India 

3. Mexico City, Mexico

Source Click here

Last verified on 06-03-2026

Explanation

In inverse proportion, when one quantity increases, the other decreases in the same ratio.

Their product remains constant: x × y = constant.

Last verified on 09-02-2026

Explanation

Water has maximum density at 4°C.

When Water is in its Solid form (Ice) below 0°C.

Explanation

Given matrix A = [1 0, 0 1]:

This is a Unit matrix or Identity matrix, where all elements on the main diagonal are 1, and the rest are 0.

Explanation

According to Article 51 (1) and 3(a) of the Constitution of the Islamic Republic of Pakistan

Article 51. (1) There shall be [three hundred and thirty-six] seats for members in the National Assembly, including seats reserved for women and non-Muslims.

Explanation

نمود و نمائش ایک درست مرکبِ عطفی ہے، جس میں "و" بطور عطف استعمال ہوا ہے۔

اس کا مطلب ہے: دکھاوا، ظاہر کرنا، شان و شوکت کا اظہار۔

Explanation

اُنگُشت = انگلی

بدنداں = دانتوں کے ساتھ (یعنی دانتوں میں انگلی دینا، حیرت کی علامت)

اُنگُشتِ بدنّداں ایک مرکب ترکیب ہے جس کا مطلب ہے: شدید حیرت یا تعجب میں انگلی دانتوں تلے دبا لینا