Question

please kindly physics experts help me with this, if you don't know just leave it, and I don't want the answers like sorry I don't know and bjkdhhekks answers like this, for you just points, but it's my education, exam so don't spam.. it's class 8 science question ​

Answer 1

Answer:

are you 8th class tell

8th . question ans a is true r is false

Answer 2

$\huge{ { \boxed{ \mathtt { \red{✯AnSwEr✯\ }}}}}$

(A) IS UR ANSWER DEAR

ABOVE IS ANS OF 8 QUES

7 QUES

ITS ANS IS (B)

CORRECT REASON:

Sound waves are longitudinal in nature and light waves are transverse in character. Moreover light wave is electromagnetic in nature. That’s why light waves do not need a material medium for its propagation