Question

is an object if an image of candle magnified six times is to be thrown on a wall by a convex lens of focal length 18 cm at what distance was the candle flame if placed from the lens.​

Answer 1

Answer:

The Champaran Satyagraha of 1917

The Champaran Satyagraha of 1917 was the first Satyagraha movement led by Gandhi in India and is considered a historically important rebellion in the Indian Freedom Struggle. It was a farmer's uprising that took place in Champaran district of Bihar, India, during the British colonial period.

Answer 2

Answer:

u = -21cm

Explanation:

m= -6 (real inverted)

f =18 cm

m= v/u

-6u=v

1/f = 1/v - 1/u

1/18 =1/-6u -1/u

6u= -7×18

u= -7 × 18/6

u= -21 cm