I have applied for cbse revaluation and also paid for it is it compulsory to apply for 'obtaining answer book of paper ' ??? And do the result is announced I am not able to check it
Vanni786
Asked:
December 2022
A student mounts a spherical mirror on a mirror stand and places the stand along a meter scale at 15 cm mark if he obtained a highly sharp well defined image of a distant building on a screen placed at 50 cm mark of meter scale . Find the type...