Education- Interesting facts 13 January 2022

Working Principle LED

🤔 How it works ……..

Working Principle LED : A light-emitting diode is a two-lead semiconductor light source. It is a p–n junction diode that emits light when activated. When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons.

😳Why❓❓❓

Why Sankranti Pongal is celebrated:

According to the Hindu (Indian) calendar Makar Sankranti is a festival celebrated at Mah 1st of Hindu (Indian) Solar Calendar for the happiness of getting new crops for farmers. It also symbolizes the end of the winter solstice which makes the day last longer than night.

Makar Sankranti marks the transition of the Sun into the zodiac sign of Makara (Capricorn) on its celestial path. The day is also believed to mark the arrival of spring in India and is a traditional event. Makara Sankranthi is a solar event making one of the few Indian festivals which fall on the same date in the Gregorian calendar every year: 14 January, with some exceptions when the festival is celebrated on 13 January.

💁🏻‍♂️ GK TODAY

ISRO : The Indian Space Research Organisation is the national space agency of India.

It operates under the Department of Space which is directly overseen by the Prime Minister of India.

Director :
Kailasavadivoo Sivan Trending

S Somanath has been appointed as the chairman of the Indian Space Research Organisation (ISRO) as well as the Space Secretary, with effect from 14 Jan

Headquarters : Bengaluru

Founder : Vikram Sarabhai

Founded: 15 August 1969
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BORN TODAY 🐣💐

Wing Commander Rakesh Sharma, AC (born 13 January 1949) is a former Indian Air Force pilot who flew aboard Soyuz T-11, launched on 2 April 1984, as part of the Interkosmos programme. Sharma is the first Indian citizen to travel in space.

IDIOMS & PHRASES:
The elephant in the room-

The big issue, the problem people are avoiding

*ANTONYM*
Expand-Contract

*SYNONYMS*
Lucid – Clear

🧬 HEALTH CARE: HOME REMEDIES🩺

JAL-JEERA:

Good for digestion : Jaljeera contains black salt, which is good for digestion. It helps in heartburns, relieves from intestinal gas and rehydrates the body.

Prevents anaemia : Cumin content helps in preventing and treating anaemia as it is the excellent source of iron. It even improves immunity and keeps your body cool.

YOG ASANA FOR RELIEF FROM BACK PAIN:
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Ch Narmada Naveen Kumar 1 Ch Narmada Naveen Kumar
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