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)
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)