Home ยป A 10 mm long awl pin is placed vertically in front pin is formed at 30cm in front of the mirror. The focal length of this mirror is Light MCQs A 10 mm long awl pin is placed vertically in front pin is formed at 30cm in front of the mirror. The focal length of this mirror is May 2, 2022 17 Views Q. A 10 mm long awl pin is placed vertically in front pin is formed at 30cm in front of the mirror. The focal length of this mirror is: A. -30cm B. -20cm C. -40cm D. -60cm Answer:-20cm
A man runs towards the plane mirror at 2 m/s. The relative speed of his image with respect to him will be
If a diverging lens is to be used to form an image which is one fourth of the size of the object where must the object be placed?