Question

choose correct option
Give reason for 21st question only Mataehyung will answer

Answer 1

$\huge \mathtt \red{ᴀɴsᴡᴇʀ}$

D) will be the correct answer.

As in case Y we have kept two blocks together..but the faces of blocks in case X and case Y are same (given in attachment). In both cases they are facing vertically towards the screen so both will have shadows of same size.

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ʜᴏᴘᴇ ᴛʜɪs ᴡɪʟʟ ʙᴇ ᴄᴏʀʀᴇᴄᴛ ᴀɴᴅ ɪᴛ ᴡɪʟʟ ʜᴇʟᴘ ʏᴏᴜ.