Questions asked
Sahil Kumar
Numerade educator
If one end of a wire is fixed with a rigid support and the other end is stretched by a force of 10 N, then the increase in length is 0.5 mm. The ratio of the energy of the wire and the work done in displacing it through 1.5 mm by the weight is
Vivek K
Find the weight of a person whose mass is 72 kg.
For intensity I of a light of wavelength 5000Å the photoelectron saturation current is 0.40 μA and stopping potential is 1.36 V, the work function of metal is
For silver, Young's modulus is 7.25×1010N/m2 and Bulk modulus is 11×1010N/m2. Its Poisson's ratio will be
How much power is dissipated when 0.2 ampere of current flows through a 100-ohm resistor?
How much time will light take to cross 2 mm thick glass pane if refractive index of glass is 3/2?
How much work is done in moving 10 C across two point having potential difference 20 V
If masses of two bodies are halved and the distance between them is doubled, what effect do they have on the gravitational force between the masses?
If mean wavelength of light radiated by 100 W lamp is 5000 Ã…, then number of photons radiated per second are
Find the mass of an object whose weight on earth is 98 N.