The correct answer is (A)0.25M Given: \(\begin{array}{l} U = 8x^{2} – 4x + 400J \end{array} \) Differentiate with dx; we... View Article
Given: Length = 20m Breadth = 15m Height = 4m The Area of floor = Length × Breadth \(\begin{array}{l}\Rightarrow 20... View Article
The correct answer is (D)Both (A) And (C) BF3 is Lewis acid. The boron in BF3 is electron-deficient and has... View Article
The given reaction is \(\begin{array}{l} H_{2} + Cl_{2} \overset{sunlight}{\rightarrow} 2HCl \end{array} \) The order of reaction is 0. The order... View Article
Using the relation = \(\begin{array}{l}\frac{\mu 2}{v} – \frac{\mu 1}{\mu } = \frac{\mu 2 – \mu 1}{R} \end{array} \) Where: \(\begin{array}{l}\mu... View Article
Given: \(\begin{array}{l}\frac{sin x}{cos 3x} + \frac{sin 3x}{cos 9x} + \frac{sin 9x}{cos 27x} = \frac{1}{2}[tan 27x – tanx] \end{array} \). Sol:... View Article
Area of the coil initially, \(\begin{array}{l} A = \pi R^{2} \end{array} \) Initial magnetic moment, \(\begin{array}{l} \mu = NIA =... View Article
12 (1 / 2) = 25 / 2 (25 / 2) % * 64 = (25 / 2) * (1... View Article
(a + b)3 = a3 + b3 + 3ab (a + b) and (a – b)3 = a3 – b3... View Article
1] 13 – 3 = 10 2] 17 – 7 = 10
Multiplication table for 16 16 x 1 = 16 16 x 2 = 32 16 x 3 = 48 16... View Article
Statement: “In a right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the... View Article
Consider triangle ABC, in which AC2 = AB2 + BC2 To show that ∠B = 90o. Create a triangle PQR... View Article
log 15 = log (5 × 3) ⇒ log 15 = log 5 + log 3
1kg = 1000 grams There are 1000 grams in 1 kilogram.
The angle that measures more than 180o can be termed reflex angle. Examples: 1] When a piece of pizza is... View Article
15 = 3 × 5 20 = 2 × 2 × 5 5 is the only common prime factor of... View Article
If a line is drawn through the mid-point of one side of a triangle, which is parallel to the other... View Article
x = 0.32 ( bar on 32) The last two digits are recurring. 100x = 100 * (0.32 ( bar... View Article