PHY 192 PAST QUESTION

1. The thickness of the central portion of a thin converging lens can be determined very accurately by using?

(a) vernier caliper (b) a micrometer screw gauge (c) a telescope (d) a microscope

2. The inner diameter of a small test tube can be measured accurately using?

(a) micrometer screw gauge (b) pair of dividers (c) meter rule (d) pair of vernier caliper