Question

please fill the observation table and inference​

Answer 1

Answer:

Hey!!

I hope it helps ^_^

Answer 2

Answer:

Distance between mirror and object (u)

1)-30

2)-10

Distance between mirror and screen (v)

1)-15

2)5

1/v+1/u=1/f

1)1/-1.5+1/-30=1/f=1/-10

2)5/10+1/-10=1/f=1/10

focal length f(cm)

1)10

2)10

total answers=Average focal length=-5