(1) Three retort stands with clamps
(2) G-clamp
(3) A spiral spring
(4) Two 100 cm – rulers
(5) 100g mass labelled m
(6) Two pieces of thread with loops.
(7) Stop watch.
(8) An optical pin.
(9) Sellotape.
Question 2:
(1) Rectangular prism.
(2) A plane mirror.
(3) Four Optical pins.
(4) Thumb pins.
(5) Drawing board.
(6) Drawing paper.
Question 3:
(1) One potentiometer.
(2) Rheostat.
(3) Two cells (1.5V each).
(4) A voltmeter (0.2V).
(5) An ammeter (0.1A).
(6) A jockey.
(7) A key.
(8) One standard resistor labelled Rx (Rx = 1 ohm).
(9) Connecting wires.