Answer: Critical velocity is the speed and direction at which the flow of a liquid through a tube changes from smooth to turbulent. The formula... View Article
(a) a mechanical ground(b) an a.c. ground(c) a virtual ground(d) an ordinary groundCorrect answer: (c) a virtual groundCurrent cannot flow to... View Article
(a) its mass (b) its acceleration due to gravity (c) its height above the earth's surface (d) all of the aboveCorrect answer: (d) all of the... View Article
Fleming's right-hand rule: 'Hold the right-hand forefinger, middle finger and the thumb at right angles to each other. If the forefinger... View Article
Unit of measurement in physics is a quantifiable language that describes the magnitude of a quantity. It helps to understand the association of... View Article
The dimensional formula of Boltzmann constant is given by [M1 L2 T-2 K-1]. Here, M represents mass, L represents length, T represents time and K... View Article
The escape velocity 'v' of a body depends upon the acceleration due to gravity (g) of the planet and the radius (R) of the planet is expressed... View Article
To find the equivalent fraction of 3/5 with numerator 27, we have to make the numerator as 27.Let's multiply 3 by some suitable integer to make... View Article
(a) 25% (b) 28.90% (c) 28.09% (d) 30% Correct answer: (c) 28.09% Let Rs.100 be the price. The sale price after 3 successive discounts = Price ×... View Article
Answer: The total surface area of the solid right circular cylinder is 26708 cm2. The volume of a right circular cylinder is 92400 cm3.... View Article
