You are provided with the following materials

(i) Magnifying glass (ii) Mirror

(iii) Stainless steel plate (iv) Glass tumbler

Which of the above materials will you identify as transparent ?

Transparent: Those substances or materials, through which things can be seen, are called transparent.

Among the given options, magnifying glass and glass tumbler are the materials through which things can be seen.

Hence, they both are transparent.