Related Questions

  1. A magnifying glass of focal length 5 cm is used to view an object by a person
  2. A long straight wire is carrying a current of 12 A. The magnetic field at a distance
  3. The escape velocity from the earth’s surface is 11 kms⁻¹.A certain planet
  4. The maximum wavelength of radiations emitted at 900K is 4 µm. What will be the maximum
  5. Given A=4i+6j and B=2i+3j. Which of the following is correct?