Question

Which of the following can't be explained by particle nature of light
(A) Interference
(B) Reflection
(C) Refraction
(D)None of these

Which sequence is correct for speed of sound in different medium
(A) vacuum< wood< iron< water
(B) vacuum<air<water<iron
(C) iron <air <vacuum <water
(D)water<vaccum<air<iron​

Answer 1

1) (c) refraction

2) (a) vaccum < wood < iron < water

Answer 2

Hey....

Here is your answer ......

i}Refraction

ii}vacuum<air<water<iron

Hope it will help you....

Thanks for asking☺️☺️....