Explanation

The least count of a Vernier caliper is 0.02mm.

It is the smallest measurement that can be accurately read using the instrument.

It is derived from the difference between one main scale reading and one Vernier scale reading.

It is commonly used to accurately measure outside diameters of shafts, thicknesses of various parts, diameters of holes or rings, internal dimensions of hollow jobs, and depths of holes or steps. 

Explanation

Radioactivity was discovered by Henri Becquerel in 1896.

They discovered radioactivity proving that the uranium emitted radiation without an external source of energy such as the Sun

Marie Curie with her husband Pierre Curie, coined the term radioactivity.

In 1903, Henry Becquerel shared the Nobel Prize for Physics with Pierre and Marie Curie

Ernest Rutherford did many experiments studying the properties of radioactive decay (alpha, beta, and gamma)

Explanation

Explanation

1. surgical instruments
2. musical instruments
3. sports goods
4. leather goods
5. textile goods 

Explanation

UNO was founded on 24th Oct 1945.

They founded after the Second World War (1939 to 1945).

UNO stands for United Nations Organization

The motto of UNO is “It’s your world!”. 

The headquarters of the United Nations is in Manhattan, New York City. 

UNO Member states 193 States.

UNO Official languages:(06)

• Arabic
• Chinese
• English
• French
• Russian
• Spanish

Pakistan joined the United Nations on September 30, 1947

Explanation

Explanation

Bangladesh Capital is Dhaka.

Bangladesh Currency is Taka.

Bangladesh official language is Bangla.

Bangladesh located is in Continent Asia.

Bangladesh Primary Religion is Islam.

Bangladesh Head of Govt. is Prime Minister – Sheikh Hasina.

Bangladesh Parliament called Jatia Parliament.

Tricks for Remember

RK23-11-2022

RK22123

Explanation

Explanation

M Ali Jinnah became the 9th president of AIML on 30-31 Dec 1916 in Lucknow

Muhammad Ali Jinnah joined the league in 1913.

He was 37 years old when he joined the Muslim League.

قائد اعظم نے مندرجہ ذیل سیاسی پارٹیوں میں شامل رہے

Quaid e Azam joined the Indian National Congress in 1906 and left in 1920

Quaid e Azam joined the All-India Muslim League in 1913 till 1947

Quaid e Azam joined the Pakistan Muslim League in 1947 till 1948)

***

while 

Aga Khan III was one of the founders and the first president of the All-India Muslim League.

ND-5-09--023

Explanation

• Japan's Capital is Tokyo.

  Japanese currency is the Yen.

  Japan official language is Japanese.

  Japan is located in the Continent of Northeast Asia or East Asia.

  Japan's national sport is Judo. 

  Japan's Primary Religion is Buddhism or Shinto (But a Secular Country).

  Japan's Head of Govt is Prime Minister Fumio Kishida.

  The Japanese Parliament is called the Diet.