Question

what are missing order spectra in double slit.​

Answer 1

Answer:

Missing order occur when an interference maximum and a diffraction minimum are located together.

Answer 2

Hi mate

ɪᴛ ɪs ᴀ ᴘʀᴏᴅᴜᴄᴛ ᴏғ ᴛʜᴇ ɪɴᴛᴇʀғᴇʀᴇɴᴄᴇ ᴘᴀᴛᴛᴇʀɴ ᴏғ ᴡᴀᴠᴇs ғʀᴏᴍ sᴇᴘᴀʀᴀᴛᴇ sʟɪᴛs ᴀɴᴅ ᴛʜᴇ ᴅɪғғʀᴀᴄᴛɪᴏɴ ᴏғ ᴡᴀᴠᴇs ғʀᴏᴍ ᴡɪᴛʜɪɴ ᴏɴᴇ sʟɪᴛ. ᴏʀᴅᴇʀ ғᴏʀ ᴛʜᴇ ɪɴᴛᴇʀғᴇʀᴇɴᴄᴇ ɪs ᴍɪssɪɴɢ ʙᴇᴄᴀᴜsᴇ ᴛʜᴇ ᴍɪɴɪᴍᴜᴍ ᴏғ ᴛʜᴇ ᴅɪғғʀᴀᴄᴛɪᴏɴ ᴏᴄᴄᴜʀs ɪɴ ᴛʜᴇ sᴀᴍᴇ ᴅɪʀᴇᴄᴛɪᴏɴ.

Hope it helps you...