Physics, asked by toy88, 1 year ago

Question: A convex mirror used in a bus has radius of curvature 3.5 metre and if the driver of the bus locate a car at 10 metre behind the bus find the position nature and size of the image of the car.

Answers

Answered by saivivek16
0

Hey mate,..

R= 3.5

U= 10.0

f= R/2   =3.5/2

3.5*10/2*10

35/20

7/4

1.75

1/f= 1/v +1/u    1/v =  1/f- 1/u       1/v= 1/1.75-1/-10

= 1/7/4-1/-10   =4/7- 1/-10

= -40-7\ 70 = 47/70

v = 70\47

v = 1.5

m= -v\u

m = -1.5\[-10]

= 0.15

Hope it will help you

Answered by GodBrainly
0
\huge{\mathfrak{\underline{\underline{Solution:}}}}


\sf \large \underline{\underline{Given:}}

\sf \bigstar \: Radius \: of \: Curvature = 3.5 \: m

\sf \bigstar \: Object \: Distance = 10 \: m

 \sf F = \dfrac{R}{2} \\ \: \: \: \: \sf= \frac{3.5}{2} \\ \: \: \: \: \sf= 1.75 \: m \: \: (Concave \: Mirror) \\ \\ \sf Now, \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf \frac{1}{F} = \frac{1}{V} + \frac{1}{U} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf \frac{1}{1 .75} = \frac{1}{V} + \frac{1}{10} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf \frac{100}{175} = \frac{1}{V} + \frac{1}{10} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf \frac{1}{V} = \frac{1}{10} - \frac{100}{175} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf \frac{1}{V} = \frac{35 + 100 \times 2}{350} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf \frac{1}{V} = \frac{235}{350} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf \frac{1}{V} = \frac{47}{70} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf V = \frac{70 }{47} \:m
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