write the experimental method in measuring the distances of object and image using a concave mirror.and write the table of observations
Answers
Answer:
To determine focal length of a given concave mirror
Materials Required
A concave mirror
A measuring scale
A screen holder
A mirror holder
A mirror stand
Procedure
The distance between the selected distinct object should be more than 50 ft.
The concave mirror placed on the mirror stand and the distant object should be facing each other.
The screen should be placed in front of the reflecting surface of the mirror. To obtain a clear, sharp image the screen should be adjusted.
Using a metre scale the distance between the concave mirror and screen can be determined. The distance is the same as the focal length of the given concave mirror.
Repeat the above procedure thrice to calculate the average focal length.
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Answer:
Aim: Observing the types of images and measuring the object distance and image distance from the mirror.
Materials Required: A Candle, Paper, Concave Mirror, V-stand, Measuring Tape.
Procedure:
(i) Place the concave mirror on V-stand, candle and a meter scale.
(ii) Keep the candle at different length from the mirror and by moving the paper along the axis, find the position where we get sharp image and paper.
(iii) Now down the Observation.
(iv) Since we know the focal point and Centre of Curvature, we can classify the above observations.