2014ScienceGS Paper IAअSound waves do not travel in____________.A.SolidsB.LiquidsC.GasesD.VacuumView SolutionSelect an option to check your answer
2014ScienceGS Paper IAअOzone protects biosphere fromA.Infra-red raysB.Ultraviolet raysC.X-raysD.Gamma raysView SolutionSelect an option to check your answer
2014ScienceGS Paper IAअTo look total image of a person, the minimum height of a plane mirror isA.Equal to the height of a personB.Half of the height of a personC.One fourth of the height of a personD.Two times the height of a personView SolutionSelect an option to check your answer
To look total image of a person, the minimum height of a plane mirror isA.Equal to the height of a personB.Half of the height of a personC.One fourth of the height of a personD.Two times the height of a person
