Jee Main
Height And Distance
JEE Main 2021 (Online) 26th August Evening Shift
MCQ+4 / -12021
A 10 inches long pencil AB with mid point C and a small eraser P are placed on the horizontal top of a table such that PC = \(\sqrt 5\) inches and \(\angle\)PCB = tan-1(2). The acute angle through which the pencil must be rotated about C so that the perpendicular distance between eraser and pencil becomes exactly 1 inch is :
