Work done by variable force is determine by dividing____________________?
Proton electron neutron and a particles have same momentum. Which of them have highest K.E ?
The average power and instantaneous power become equal if work is done at __________________?
If a body a mass of 2 kg is raised vertically through 2m, then the work done will be _________________?
When a force is parallel to the direction of motion of the body, then work done on the body is_____________________?
Which experiment shows that wavelength of light is smaller than that of sound___________________?
Gives the definition of metre in terms of wavelength of red cadmium light ___________________?
A thing that emits its own light is___________________?
Diffraction fringes are____________________?
Light on passing through a Polaroid is ___________________?
