Solved papers for JEE Main & Advanced JEE Main Paper (Held On 10 April 2015)

done JEE Main Paper (Held On 10 April 2015) Total Questions - 2

• question_answer1) A telescope has an objective lens of focal length 150 cm and an eyepiece of focal length 5 cm. If a 50 m tall tower at a distance of 1 km is observed through this telescope in normal setting, the angle formed by the image of the tower is \[\theta \], then\[\theta \], is close to : JEE Main Online Paper (Held On 10 April 2015)
  A)
  \[{{60}^{o}}\]                                    
  done clear
  B)
  \[{{15}^{o}}\]
  done clear
  C)
   \[{{1}^{o}}\]                                     
  done clear
  D)
  \[{{30}^{o}}\]
  done clear
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• question_answer2) You are asked to design a shaving mirror assuming that a person keeps it 10 cm from his face and views the magnified image of the face at the closest comfortable distance of 25 cm- The radius of curvature of the mirror would then be : JEE Main Online Paper (Held On 10 April 2015)
  A)
  -24 cm                  
  done clear
  B)
   24 cm
  done clear
  C)
   60 cm                  
  done clear
  D)
   30 cm
  done clear
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