Question

পৃথিবীর অভ্যন্তরের চিহ্নিত চিত্র অঙ্কন করাে​

Answer 1

Answer:

Appo opposite ah nadakkuradha yosichu yarukkum anuppava irundha?

Explanation:

An ice stick was placed in front of the concave mirror having a height of 20cm. It starts

melting with change in time. A student came after 5 minutes and found that the height

decreased by 20%, after sometime another student came and found that the height decreased

by another 25%. The focal length and object distances are 15cm and 10cm respectively.

Calculate the image height