Explanation

Laser technology is used in optical disks (like CDs and DVDs).

It allowing for precise data storage and retrieval.

Explanation

In an Excel worksheet, the first cell is labeled as A1 due to the following reasons:

1. Grid System: Excel uses a grid to organize cells, with rows and columns.
2. Rows Labeled by Numbers: Rows are labeled using numbers (1, 2, 3, etc.).
3. Columns Labeled by Letters: Columns are labeled using letters (A, B, C, etc.).
4. First Cell Location: The first cell is located at the intersection of row 1 and column A, hence labeled A1.

Explanation

The Wavell Plan was first presented at the Shimla Conference in 1945.

It was named after Viceroy of India, Lord Wavell.

Explanation

Increasing the energy of a sound wave amplifies its amplitude, resulting in a louder sound.

Loudspeakers work by converting electrical energy into sound energy, so higher energy input leads to a louder output.

Explanation

• The Indus Waters Treaty, signed on September 19, 1960, between India and Pakistan and brokered by the World Bank.
• It allocates the Western Rivers (Indus, Jhelum, Chenab) to Pakistan and the Eastern Rivers (Ravi, Beas, Sutlej) to India.
• It was signed in Karachi by Pakistan President Ayub Khan, Indian Prime Minister Jawaharlal Nehru, and Mr. W.A.B. Illif. 
• The Treaty became effective on April 1, 1960.

Explanation

"To have a bee in one's bonnet" means to be preoccupied or obsessed with a particular idea or issue.

It often to the point of distraction.

Explanation

 oblivious غافل means forgetful بھولنے والا

Explanation

Explanation

Explanation

ماروں  گّھٹنا، پھوٹے آنکھ  :

  یعنی ضرب تو گھٹنے پر لگی ہے اور تم کہہ رہے ہو کہ تمھاری آنکھ پھوٹ گئی۔

یہ کہاوت ایسے وقت استعمال ہوتی ہے جب کہا یا کیا تو کچھ جائے اور فریق اس کا مطلب کچھ اور ہی نکال لے جس کی کوئی تُک ہی نہ ہو۔