If I1 and I2 be the size of the images respectively for the two positions of lens in the displacement method, then the size of the object is:
A. \(\sqrt{I_{1} I_{2}}\)
B. I1/I2
C. I1 I2
D. \(\sqrt{\frac{\mathrm{I}_{1}}{\mathrm{I}_{2}}}\)
Answer:A
If I1 and I2 be the size of the images respectively for the two positions of lens in the displacement method, then the size of the object is:
A. \(\sqrt{I_{1} I_{2}}\) B. I1/I2 C. I1 I2 D. \(\sqrt{\frac{\mathrm{I}_{1}}{\mathrm{I}_{2}}}\)