Questions asked by himangi baishya

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• Name the device used for measuring the mass of atoms and molecules??
  
• Show that the path of projectile projected at an angle of THITA from horrizontal is parabolic in shape?
  
• Show that the maximum horrizontal range of a projectile is four times the corresponding maximum height?
  
• What is the principle of working of rocket?
  
• Show that maximum horizontal range of a projectie is four times the corresponding maximum height?
  
• Assuming the earth to be a uniform spare of radius 6400km and density 5.5gm/cc. find the value of g on its surface?
  
• At what height above the earth surface the value of g is 1/2 of its value on earth surface.Given its radius 6400km.?
  
• Find the potential energy of a system of four particles.each of mass "m" place at the vertices of a square of side " l " also obtained the potential at the centre of the squqre?
  
• Define escape velocity and its expression?
  
• Using newton's law of gravitation prove keplar's third law of planetary motion for circular orbits?
  
• Planck's quantum theory.explain?
  
• Explain VSEPR theory?