Related Questions

  1. A shell of mass 200 g is ejected from a gun of mass 4 kg by an explosion
  2. Radii of curvature of a converging lens are in the rato 1:2. Its focal length
  3. In an interference experiment, third bright fringe is obtained at a point
  4. An ideal coil of 10 H is connected in series with a resistance of 5Ω and a battery
  5. Young’s modulus of the material of a wire is 18×10¹¹ dyne cm⁻².its value in SI is