Question

explain the conditions required for no refraction? Need a explanation not an answer. Refer to the attachment and explain the first point only​

Answer 1

EXPLANATION—

When the incident ray falls normally (here, normally means “at 90 degrees”)on the surface which separates the two on the two media, no refraction takes place.
This means that when the ray falls in a straight path onto the surface separating the 2 media, no refraction takes place.
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Answer 2

Answer:

Block kyu kar diya yrrr

Maine aisa kya kiya????????

Explanation:

Agar nhi krni thi baat toh keh dete uske baad block krte!!!!!!

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