The focal length of the natural eye lens is variable due to the action of the 

Onwubolublessing123

2 months ago

I'm sorry to say but i don't enjoy physics in my school app. If you observe you will notice that chemistry nd biology is better bcx of their detailed explanation,they explain why other options are wrong nd tricks to avoid but this is not like nd it's not encouraging at all. it's always boring nd confusing watching physics explanation

Onwubolublessing123

2 months ago

I'm sorry to say but i don't enjoy physics in my school app. If you observe you will notice that chemistry nd biology is better bcx of their detailed explanation,they explain why other options are wrong nd tricks to avoid but this is not like that nd it's not encouraging at all. it's always boring nd confusing watching physics explanation