Related Questions

  1. A source and an observer approach each other with same velocity 50 m/s. If the frequency
  2. The mass of a lift is 2000kg. When the tension in the supporting cable is 28000N, then its acceleration is
  3. A resistor 30Ω, inductor of reactance 10 Ω and capacitor of reactance 10 Ω
  4. The mirrors are inclined at an angle of 50⁰. The number of images formed for an object
  5. If the wavelength of light in vacuum be, the wavelength in a medium of refractive index