Question

plz answer this
don't spam​

Answer 1

Answer:

a

Explanation:

ref index= sin i/sin r

i=60 r=45

Answer 2

Answer:

yaar tumne jo formula dhi hei na mere question ko answer ke tarah

vo mere textbook mei bhi h

ek baat sida sida

mei padai mei itni achi nhi khud karne