Explanation

Microsoft Excel Shortcut Keys

- Ctrl + H: Find and Replace

- Ctrl + F: Find text or data

- Ctrl + G: Go To a specific cell or range

- Ctrl + P: Print worksheet or workbook

Last updated on 26 Oct 2026

Explanation

• The universal gravitational constant is represented by G.
• Its accepted value is approximately 6.674 × 10⁻¹¹ N m² kg⁻².
• It is used in Newton’s law of universal gravitation to calculate the gravitational force between two objects.

Last verified on 26-10-2026

Explanation

• The formula to calculate the total of cells B2 to B10 in Excel is =SUM(B2:B10)
• SUM: The built-in Excel function used to add numbers.
• B2:B10: The continuous cell range from row 2 to row 10 in column B..
• Purpose: Calculates the total.

Last updated on 26 Oct 2026

Explanation

• Starlight passes through Earth’s atmosphere.
• Different air layers have different densities and temperatures.
• Light is repeatedly refracted (bent).
• This causes the star’s brightness to appear to change rapidly.
• This apparent change is called twinkling (scintillation).

Last verified on 26-10-2026

Explanation

Given:

M = 6.42 x 10^23 kg

R = 3370 km = 3.37 x 10^6 m

G = 6.67 x 10^-11 Nm2/kg2

Formula: g = G x M / R^2

g = 6.67 x 10^-11 x 6.42 x 10^23 / (3.37 x 10^6)^2

g = 4.282 x 10^13 / 1.135 x 10^13

g = 3.77 m/s2

Last verified on 26-10-2026

Explanation

• Power is the rate at which work is done or energy is transferred.
• Its SI unit is the watt (W).
• British thermal unit per hour (BTU/h), horsepower (hp), and watt are units of power.
• A newton-meter (N·m) is the unit of work or energy, equivalent to one joule (J).
• It is not a unit of power.

Last verified on 26-10-2026

Explanation

• The normal body temperature is: 37°C.
• The average normal body temperature is generally accepted as 98.6°F (37°C).
• A temperature over 100.4°F (38°C) means you have a fever.

Additional Information:

• Hypothermia is the term used for temperature less than 36.50°C.
• Mild Pyrexia is the term used for temperature (99-100°F).
• Moderate Pyrexia is the term used for temperature (100-103°F).
• Severe Pyrexia is the term used for temperature (103-105°F).

Explanation

• Ceasefire announced: 7–8 April 2026 (as stated).
• Mediator: Pakistan.
• Initial expiry date: 21 April 2026.

Last updated on 26 Oct 2026

Explanation

• The current Chief Minister of Gilgit-Baltistan is Amjad Hussain Azar.
• Party Affiliation: Pakistan Peoples Party (PPP)
• Took Office: July 6, 2026 (elected unopposed on June 22, 2026)
•  Constituency: GBLA-1 Gilgit-I

Explanation

PNG (Portable Network Graphics)

- Type: Raster image format.

- Uses: Web graphics and digital images.

- Key Feature: Supports transparent backgrounds.

- Compression: Lossless.

Last updated on 26 Oct 2026