If momentum (P), area (A) and time (T) are taken to be the fundamental quantities then the dimensional formula for... View Article
Atomic radius is the total distance from the nucleus of an atom to the outermost orbital of its electron. The... View Article
The following are the three types of inertia: 1. Inertia of Rest Example: Sudden start of lift 2. Inertia of... View Article
Answer: (i) The 5 Ω resistors are connected in series Hence, their effective resistance = (5 +5) = 10 Ω... View Article
Firstly, Ferris wheel is also known as giant wheel. It revolves around its central axis, in a vertical plane.Now, when... View Article
The image below shows a low amplitude sound wave and a high amplitude sound wave.
Angular momentum is a vector quantity and it can be expressed as \(\begin{array}{l}\vec{L} = \vec{r}\times \vec{p}\end{array} \). Its direction is... View Article
(a) reflection by inosphere (b) absorption by ionosphere (c) transmission through ionosphere (d) none of theseCorrect option: (a) reflection by... View Article
(a) angular speed ω (b) angular acceleration α (c) torque τ and (d) moment of interia I. Dimensions of the... View Article
Given, angle of the inclined plane = θ If T is the tension acting on the trolley, The component of... View Article
Heisenberg’s uncertainty principle states that it is impossible to measure or calculate exactly, both the position and the momentum of... View Article
Electric current is defined as the rate of flow of negative charges of the conductor. The unit of the electric... View Article
5 Examples of negative work done are as follows: (i) the work done by the buoyant force of water in... View Article
Answer: (c) 2A We know that R = ρ(L/A) where ρ is the resistivity constant of the conductor L is... View Article
The formula for (X – Y) whole cube, i.e. (X – Y)3 is given by: (X – Y)3 = X3... View Article
71 = 7 72 = 49 73 = 343 74 = 2401 75 = 16807 (unit digit is repeated) Now,... View Article
Given,152x – 378y = -74….(i)-378x + 152y = -604….(ii)Adding (i) and (ii),152x – 378y – 378x + 152y = -74... View Article
The answer of addition is called the Sum, the answer of subtraction is called the Difference, when minuend = subtrahend,... View Article
3(x + 6) = 243x + 18 = 24Subtracting 18 from both sides,3x + 18 – 18 = 24 –... View Article
2 into 2 means 2 is multiplied by 2.Thus, 2 into 2 = 2 × 2 = 4Therefore, the value... View Article
