Question

3) If sound level is around decibels, the sound can be
harmful to us. (a) 120
(b) 100
(c) 200 (d) 150
4) If the angle between mirror and incident ray is 35', the
angle of reflection will be
(a) 350
(c) 550
(b) 30°
(d) 700
pls answer​

Answer 1

Answer:

please mark as brainleast

Explanation:

3) 200

4) 350