A point object is located at a distance of 100 m from a

Last updated: 6/30/2023

A point object is located at a distance of 100 m from a screen A lens of focal length 23 cm mounted on a movable frictionless stand is kept between the source and the screen The stand is attached to a spring of natural length 50 cm and spring constant 800 N m as shown Mass of the stand with lens is 2 kg How much impulse P should be imparted to the stand so that a real image of the ob is formed on the screen after a fixed time gap Also find this time gap Neglect widt the stand P ooooooo 50 cm 100 cm Stre