an object is kept 40 centimetre in front of concave mirror of focal length 20 cm find the position and nature of the image draw a ray diagram to show the formation of image in this case
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We will use the mirror formula.
1/f = 1/u + 1/v
f = 20 cm
v = 40 cm
1/20 = 1/u + 1/40
1/u = 1/20 - 1/40
1/u = (2 - 1) / 40
1/u = 1/40
The image distance is 40 cm
Since the image position is positive the image is real.
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1/f = 1/u + 1/v
f = 20 cm
v = 40 cm
1/20 = 1/u + 1/40
1/u = 1/20 - 1/40
1/u = (2 - 1) / 40
1/u = 1/40
The image distance is 40 cm
Since the image position is positive the image is real.
pls mark on brain list pls
Varshachauhan123:
pls mark on brain list
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