Question

find the odd man out and give the reason:
1.sound waves ,waves on the surface of water ,waves on a stretched string,light waves
2.sitar,violin,guitar,flute​

Answer 1

light waves

as it can not be created nad is also not present

flute

and it doesnot contain strings

Answer 2

1. Light waves.

Reason : Others are uneven.

2. Flute.

Reason : Other instruments have strings.

Plz mark as brainlist.....