2. Using the ruler, measure the distance from x to the center of lens. Record this value as f below: Double this value and record as 2f. f = 2f = 3. Measure the height of object (ho) using the vertical ruler and record below: ho = 4. Place your chosen object at different positions mentioned in the Table 3. Record do, di, hi, and characteristics of the image formed in Table 3. Table 3: Concave Mirror Position of Beyond 2f At 2f Between 2f At f Between f Object (cm) (cm) and f (cm) and lens (cm) (cm) do di hi Real or virtual Enlarged/ reduced same size Inverted / Upright