Question

Sneha has 8 candles out of which she give some candles to her brother she is now left with 5 candles

Answer 1

Answer:

1+u1=f1

⇒ −801+−201=f1

⇒ f=−(20+80)20×80=100−1600=−16 cm

i)  Since , f is negative , the mirror is concave mirror

ii)  Magnification =u−v=−20−(−80)=4

ii)  From fig distance between object and image is 60 cm

Answer 2

Step-by-step explanation:

If u want to ask that how many candle does she gave to her brother , so the answer is

8-x=5

-X=5-8

-X= -3

X=3