Explanation

Definite article “the” is used before names of oceans, seas, and rivers.

Corrected sentence: “Aslam crossed the Atlantic Ocean many times in last decade.”

Explanation

Explanation

The correct spelling word is Superintendent.

Superintendent means نگران

Explanation

The correct preposition is “in examinations”, not “on examinations.”

Corrected sentence: “Sometimes students fail to score well in examinations, because they are very nervous.”

Explanation

An electron gun emits a focused beam of electrons using thermionic emission.

It is commonly used in cathode ray tubes, microscopes, and TVs.

Explanation

A transformer can increase (step-up) or decrease (step-down) the voltage of alternating current (AC).

It's widely used in power transmission to reduce energy loss over long distances.

Explanation

At maximum height, the vertical component of velocity becomes zero, so speed is minimum.

Only the horizontal component of velocity remains constant.

Explanation

Due to inertia of motion, when the bus stops suddenly, passengers tend to keep moving forward.

Without support, this causes them to lose balance and fall.

Explanation

An adiabatic change happens when a gas expands or compresses without heat exchange with surroundings.

The change in temperature occurs due to internal energy variation only.

Explanation

At diastolic pressure, blood moves smoothly in parallel layers without disruption, called laminar flow.

Laminar flow ensures efficient and quiet blood circulation in vessels.