Question

To find the value of v for different values of u in case of concave mirror solutions

Answer 1

here this answer


Aim:
 To calculate the focal length of a concave mirror by U-V method

Apparatus required : 
V stand, Concave mirror, Screen ,candle, pencil and a scale

Procedure :
Place the concave mirror on V stand and candle and meter and arrange as shown in the figure.
Keep the candle at different places from the mirror (10cm to 80cm) along the axis and by moving the screen find the position where we get sharp image on screen.
Observations:

****************************************************
Object distance   Image distance         f=uv/u+v
     u                         v
******************************************************
10cm
20cm
40cm
60cm
80m
***************************************************
Take the average of focal length.

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