Jee Main
Geometrical Optics
JEE Main 2026 (Online) 24th January Evening Shift
MCQ+4 / -12026
Distance between an object and three times magnified real image is 40 cm . The focal length of the mirror used is $\_\_\_\_$ cm .
Jee Main
JEE Main 2026 (Online) 24th January Evening Shift
Distance between an object and three times magnified real image is 40 cm . The focal length of the mirror used is $\_\_\_\_$ cm .