Number = books: Pencil = 6x : 5x Cost = books: pencil = 4y : 3y Total cost = books: Pencil = 24xy : 15xy Required % = [(24xy-15xy)/15xy]×100 = 60%
What is the focal length of a double convex lens for which the radius of curvature of each surface is 30 cm and the refractive index of glass is 2.50 ?
What are the dimensions of the coefficient of viscosity?
A 220 V, 100 W bulb is connected to a 110 V source. Calculate the power consumed by the bulb
What is the velocity of light in a diamond if the refractive index of diamond with respect to vacuum is 2.5?
In an electric motor, energy is transformed from:
Two billiard balls each of mass 0.02 kg moving in opposite directions with speed 5 m s−1 collide and rebound with the same speed. What is t...
If the temperature of a place increases suddenly, the relative humidity –
A wire with green plastic covering is typically used as which type of wire?
A 4 cm wire carrying a current of 15 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 0.27...