Question

can please help me to answer...​

Answer 1

Answer:

1)First case: λ=800pm=800×10-12=8×10-10m.

2)c=3.0×108ms-1,h=6.626×10-34Js.

3)second case: λ=400pm=400×10-12=4×10-10m.

4)c=3.0×108ms-1,h=6.626×10-34Js.

i am sorry pinky

Answer 2

Answer:

hope this answer will help u ♥️☺️