Plss help me!! I am not able to get this answer !! - Science - Light - Reflection and Refraction

Question

Plss help me!! I am not able to get this answer !!

Debalina Deb · Accepted Answer

Dear student,
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_6092522430465%20jpg"
style="width: 1023px; height: 1006px;">

Regards,

Plss help me!! I am not able to get this answer...!!