Explanation

The area of a triangle inscribed in a circle is given by:

Area = abc/4R

Explanation

ln3 means the natural logarithm of 3 (log base e).

Its approximate value is 1.0986.

Explanation

The microscopic form of Ohm's law is:

J = σE

where J is the current density.

σ is the conductivity.

E is the electric field.

Explanation

Active learning involves students engaging in problem-solving, critical thinking, and application of knowledge.

It goes beyond passive listening, making learning more interactive and effective.

Explanation

ضابطہ کا مطلب ہوتا ہے قاعدہ یا اصول جو کسی نظام یا طریقہ کار کو منظم کرنے کے لیے بنایا جاتا ہے۔

یہ لفظ اکثر قوانین، اداروں یا نظم و ضبط کے سیاق میں استعمال ہوتا ہے۔

Explanation

Step 1: Calculate the mean of the marks.

Mean = (6 + 8 + 10 + 12 + 4 + 20) / 6

= 60 / 6

= 10

Step 2: Calculate the mean deviation.

Mean Deviation = (|6-10| + |8-10| + |10-10| + |12-10| + |4-10| + |20-10|) / 6

= (4 + 2 + 0 + 2 + 6 + 10) / 6

= 24 / 6

= 4

Step 3: Calculate the coefficient of dispersion.

Coefficient of Dispersion = Mean Deviation / Mean

= 4 / 10

= 0.4

Explanation

The relation between alpha (α) and beta (β) is given by:

β = α / (1 - α)

Given α = 1/2:

β = (1/2) / (1 - 1/2)

= (1/2) / (1/2)

= 1

Explanation

Combustible means آتش گیر

Flammable means آتش گیر

Explanation

Smash up means توڑ

Damage means نقصان

Explanation

Pressure P = F/A. The uncertainty in P is given by:

(ΔP/P) = (ΔF/F) + (ΔA/A)

Given ΔF/F = 2% and ΔA/A = 5%,

(ΔP/P) = 2% + 5% = 7%