Explanation

Paediatrics is the branch of medicine that deals with the health and medical care of children.

It covers newborns, infants, children, and adolescents.

Explanation

The outermost layer of the Sun is called the corona.

It is the Sun's outer atmosphere, extending millions of kilometers into space and visible during a total solar eclipse.

The innermost layer is the core, where nuclear fusion occurs.

Explanation

Track-II Diplomacy involves non-governmental actors such as academics, former officials, and experts.

It is used to resolve conflicts, build trust, and explore solutions without formal government negotiations.

Unlike official diplomacy (Track-I), it is informal and flexible.

Explanation

A celestial body that revolves around a planet is known as a satellite

Which can be natural (like the Moon) or artificial (like the International Space Station).

A celestial body that revolves around a planet is known as a moon.

Moons are natural satellites orbiting planets and can vary in size and composition.

Explanation

Electrostatic precipitators use static electricity to remove smoke and dust from industrial gases.

Smoke particles are given an electrical charge as they pass through the device.

Charged particles are attracted to oppositely charged plates and stick to them.

This process ensures that the gases released into the atmosphere are cleaner.

Static electricity is widely used in pollution control and air purification system

Explanation

Acoustics is a branch of physics that deals with the study of sound and its behavior. 

Explanation

The power of reading thoughts is called telepathy,

A form of extrasensory perception (ESP) involving direct mind-to-mind communication

Explanation

• The Soviet Union launched the first artificial satellite
• Satellite: Sputnik 1 (meaning "fellow traveller").
• Date: October 4, 1957.
• First US Satellite: Explorer 1 (January 31, 1958)
• A major milestone in space exploration and a key event in the Cold War.

Last updated by NA on 25-April-2026

Explanation

Explanation

A hygrometer measures the amount of water vapor (humidity) in the air.

It is widely used in meteorology, agriculture, and HVAC systems.

Types of hygrometers include mechanical, electronic, and psychrometers.

Maintaining proper humidity is important for health, comfort, and industrial processes.