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  1. A body is placed in an insulating container at temperature 227⁰C.
  2. If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform
  3. Time period of the rotation of the earth about its own axis is 24 hour
  4. If the wavelength of light in vacuum be, the wavelength in a medium of refractive index
  5. A beam of light of wavelength 590 nm is focussed by a converging lens of diameter