Tuning Forks Set

Description :- For activating tuning forks. Rubber ball is mounted on a sturdy, wooden handle.

Description :- Consisting of 19 spheres, each mounted on a 75 mm long rod with a collar for attachment to a shaft. The spheres are mounted at 20° intervals, equally spaced along the shaft. The shaft rotates in two pillars mounted on a base.

Description :-
Simple, innovative kit allows you to perform a number of experiments on vacuum and air pressure. The kit clearly demonstrates the method by which a pump works. Also illustrates that air has mass and helps find its mass and density. Explain the effect of surrounding air pressure on a sealed balloon. The balloon will expand when the surrounding air is removed. And also demonstrate that liquid boils at reduced temperature when the surrounding air pressure is reduced with instructions.

Description :- Transparent acrylic plastic ripple tank, supported in a sturdy plastic frame which has recesses to hold four legs with leveling feet. The tank edges are shaped to minimize undesired reflections. Tank has a drain hole closed by a rubber stopper. With two light alloy uprights to carry a horizontal rippler support rod which is adjustable for height. The ripple assembly, elastically suspended from the support rod, consists of a 4 – 6 V DC motor mounted on a wooden beam. The motor has an eccentric weight which causes the beam to oscillate. Two point sources are provided by two plastic spheres, each mounted on a right angle rod. A metal rod is fixed centrally into a socket in one short side of the frame to afford support to the illuminant. Overall size of the tank 580 x 500 x 80 mm, window area 370 x 280 mm, height of tank above bench level (with legs attached) approx. 375 mm. Complete with following accessories :- 1. Two straight obstacles of aluminium alloy length 130 mm. 2. One straight obstacle length 40 mm. 3. One curved reflector radius 200 mm. 4. One trapezoidal plastic plate for refraction. 5. One wood hand wave roller. 6. One water dropper. 7. One pkt. rubber bands. 8. One foam plastic sponge. 9.One illuminant with a 12 V, 24 W lamp mounted in a lamp house and provided with a long supporting rod.