{"title":"Sound, Wave \u0026 Oscillation","description":"","products":[{"product_id":"bell-jar-and-vacuum-pump-set","title":"BELL JAR AND VACUUM PUMP SET","description":"\u003cp\u003eBell In Bell Jar with pump plate for performing complete experiment. Electric Bell operating 4-6 volts AC\/DC, suspended on rubber cord in bell jar. Fine coiled wire connections to terminals mounted in rubber bung sealing the jar.\u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"296\" style=\"border-collapse: collapse; width: 222pt;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"97\" style=\"mso-width-source: userset; mso-width-alt: 3547; width: 73pt;\"\u003e \u003ccol width=\"199\" style=\"mso-width-source: userset; mso-width-alt: 7277; width: 149pt;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" class=\"xl63\" width=\"97\" style=\"height: 15.0pt; width: 73pt;\"\u003e\u003cstrong\u003eCategory No.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"xl63\" width=\"199\" style=\"width: 149pt;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" class=\"xl64\" style=\"height: 15.0pt;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e101765\u003c\/td\u003e\n\u003ctd class=\"xl64\"\u003e\n\u003c!-- x-tinymce\/html --\u003eBell Jar and Vacuum Pump Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eH46\u003c\/p\u003e","brand":"japson.com","offers":[{"title":"Default Title","offer_id":45273353388141,"sku":"101765","price":0.0,"currency_code":"INR","in_stock":true}]},{"product_id":"bell-in-bell-jar-1","title":"BELL IN BELL JAR","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eWithout air or objects, sound waves cannot travel and thus cannot be heard. This principle is effectively demonstrated by the bell jar, which contains a battery-operated buzzer. When the buzzer is placed beneath the jar and a vacuum is produced within, learners will notice a complete lack of sound. Once the air has been reintroduced to the jar, the buzzer will sound again. The activity requires a vacuum pump and a plate, which are not supplied.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"296\" style=\"border-collapse: collapse; width: 321px;\" height=\"38\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"97\" style=\"width: 110.5px;\"\u003e \u003ccol width=\"199\" style=\"width: 209.5px;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" class=\"xl65\" width=\"97\" style=\"height: 15.0pt; width: 73pt;\"\u003e\u003cstrong\u003eCategory No.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"xl65\" width=\"199\" style=\"width: 149pt;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" class=\"xl66\" style=\"height: 15.0pt;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e101766\u003c\/td\u003e\n\u003ctd\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cspan data-sheets-root=\"1\"\u003eBell in Bell Jar\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eH46\u003c\/span\u003e\u003c\/p\u003e","brand":"japson.com","offers":[{"title":"Default Title","offer_id":45282351087725,"sku":"101766","price":0.0,"currency_code":"INR","in_stock":false}]},{"product_id":"hand-vacuum-pump","title":"HAND VACUUM PUMP","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eThe vacuum pump is composed of sturdy plastic. It can easily generate a vacuum of 500mmHg by pumping its handle, with a pumping rate of around 15ml each pump. The pump is sealed and self-lubricated. By altering its working mode, the pump may achieve air pressures of up to approximately 2 atm. It is essential for middle and primary school laboratories.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"296\" style=\"border-collapse: collapse; width: 222pt; height: 33px;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"97\" style=\"mso-width-source: userset; mso-width-alt: 3547; width: 73pt;\"\u003e \u003ccol width=\"199\" style=\"mso-width-source: userset; mso-width-alt: 7277; width: 149pt;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\" style=\"height: 13px;\"\u003e\n\u003ctd height=\"20\" class=\"xl65\" width=\"97\" style=\"height: 13px; width: 73pt;\"\u003e\u003cstrong\u003eCategory No.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"xl65\" width=\"199\" style=\"width: 149pt; height: 13px;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"20\" style=\"height: 20px;\"\u003e\n\u003ctd height=\"20\" class=\"xl66\" style=\"height: 20px;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e101767\u003c\/td\u003e\n\u003ctd style=\"height: 20px;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cspan data-sheets-root=\"1\"\u003eHand Vacuum Pump\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eH47\u003c\/span\u003e\u003c\/p\u003e","brand":"japson.com","offers":[{"title":"Default Title","offer_id":45282445885549,"sku":"101767","price":0.0,"currency_code":"INR","in_stock":false}]},{"product_id":"vacuum-pump-with-plate","title":"VACUUM PUMP WITH PLATE","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eThe setup consists of a metal plate and a manual vacuum pump mounted on a strong metal base. 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A helical coil made of flat-section steel wire.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"230\" style=\"border-collapse: collapse; width: 172pt;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"99\" style=\"mso-width-source: userset; mso-width-alt: 3620; width: 74pt;\"\u003e \u003ccol width=\"131\" style=\"mso-width-source: userset; mso-width-alt: 4790; width: 98pt;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" class=\"xl65\" width=\"99\" style=\"height: 15.0pt; width: 74pt;\"\u003e\u003cstrong\u003eCategory No.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"131\" style=\"width: 98pt;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cstrong\u003e\u003cspan data-sheets-root=\"1\"\u003eLength x Dia (mm)\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cspan data-sheets-root=\"1\"\u003e101769 A\u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e75 x 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" style=\"height: 15.0pt;\"\u003e101769 B\u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e110 x 75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" style=\"height: 15.0pt;\"\u003e101769 C\u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl65\"\u003e165 x 75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eH47\u003c\/span\u003e\u003c\/p\u003e","brand":"japson.com","offers":[{"title":"Default Title","offer_id":45282487304301,"sku":"101769 A-C","price":0.0,"currency_code":"INR","in_stock":false}]},{"product_id":"vacuum-plate-metal","title":"VACUUM PLATE, METAL","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eThe top plate measures 11\" in diameter and can accommodate bell jars up to 9\" in diameter. The plate is made of cast iron and comes with 3\/8\" hose connection, vacuum release valve, and rubber gasket to provide a tight seal.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"244\" style=\"border-collapse: collapse; width: 183pt; height: 39px;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"99\" style=\"mso-width-source: userset; mso-width-alt: 3620; width: 74pt;\"\u003e \u003ccol width=\"145\" style=\"mso-width-source: userset; mso-width-alt: 5302; width: 109pt;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\" style=\"height: 19px;\"\u003e\n\u003ctd height=\"20\" class=\"xl65\" width=\"99\" style=\"height: 19px; width: 74pt;\"\u003e\u003cstrong\u003eCategory No.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"xl65\" width=\"145\" style=\"width: 109pt; height: 19px;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cstrong\u003e\u003cspan data-sheets-root=\"1\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"20\" style=\"height: 20px;\"\u003e\n\u003ctd height=\"20\" class=\"xl66\" style=\"height: 20px;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cspan data-sheets-root=\"1\"\u003e101770\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd class=\"xl66\" style=\"height: 20px;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cspan data-sheets-root=\"1\"\u003eVacuum Plate, Metal\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eH47\u003c\/span\u003e\u003c\/p\u003e","brand":"japson.com","offers":[{"title":"Default Title","offer_id":45282537996397,"sku":"101770","price":0.0,"currency_code":"INR","in_stock":false}]},{"product_id":"steel-spring-narrow","title":"STEEL SPRING, NARROW","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eFor transverse wave motion investigations, the diameter is 20 mm and the length is approximately 3 meters when closed, but can be extended to 10 meters.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"244\" style=\"border-collapse: collapse; width: 183pt;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"99\" style=\"mso-width-source: userset; mso-width-alt: 3620; width: 74pt;\"\u003e \u003ccol width=\"145\" style=\"mso-width-source: userset; mso-width-alt: 5302; width: 109pt;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" class=\"xl65\" width=\"99\" style=\"height: 15.0pt; width: 74pt;\"\u003e\u003cstrong\u003eCategory No.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"xl65\" width=\"145\" style=\"width: 109pt;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cstrong\u003e\u003cspan data-sheets-root=\"1\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" class=\"xl66\" style=\"height: 15.0pt;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cspan data-sheets-root=\"1\"\u003e101771\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cspan data-sheets-root=\"1\"\u003eSteel Spring, Narrow\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eH47\u003c\/span\u003e\u003c\/p\u003e","brand":"japson.com","offers":[{"title":"Default Title","offer_id":45282549530733,"sku":"101771","price":0.0,"currency_code":"INR","in_stock":false}]},{"product_id":"wave-machine-metal","title":"WAVE MACHINE, METAL","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eTo demonstrate longitudinal and transverse waves. A number of eccentric discs propel a number of metal rods. Straight rods produce transverse waves, but bent rods produce longitudinal waves.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"244\" style=\"border-collapse: collapse; width: 183pt;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"99\" style=\"mso-width-source: userset; mso-width-alt: 3620; width: 74pt;\"\u003e \u003ccol width=\"145\" style=\"mso-width-source: userset; mso-width-alt: 5302; width: 109pt;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" class=\"xl65\" width=\"99\" style=\"height: 15.0pt; width: 74pt;\"\u003e\u003cstrong\u003eCategory No.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"xl65\" width=\"145\" style=\"width: 109pt;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cstrong\u003e\u003cspan data-sheets-root=\"1\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" class=\"xl66\" style=\"height: 15.0pt;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cspan data-sheets-root=\"1\"\u003e101772\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cspan data-sheets-root=\"1\"\u003eWave Machine, Metal\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eH47\u003c\/span\u003e\u003c\/p\u003e","brand":"japson.com","offers":[{"title":"Default Title","offer_id":45282558607469,"sku":"101772","price":0.0,"currency_code":"INR","in_stock":false}]},{"product_id":"wave-machine-plastic","title":"WAVE MACHINE, PLASTIC","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eIt is made in plastic. The rotating handle has a circular scale marked in degrees to display the indication. The plastic-highlighted tips facilitate the observation of wave action.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"244\" style=\"border-collapse: collapse; width: 183pt;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"99\" style=\"mso-width-source: userset; mso-width-alt: 3620; width: 74pt;\"\u003e \u003ccol width=\"145\" style=\"mso-width-source: userset; mso-width-alt: 5302; width: 109pt;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" class=\"xl65\" width=\"99\" style=\"height: 15.0pt; width: 74pt;\"\u003e\u003cstrong\u003eCategory No.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"xl65\" width=\"145\" style=\"width: 109pt;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cstrong\u003e\u003cspan data-sheets-root=\"1\"\u003eDescription\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"20\" style=\"height: 15.0pt;\"\u003e\n\u003ctd height=\"20\" class=\"xl66\" style=\"height: 15.0pt;\"\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cspan data-sheets-root=\"1\"\u003e101773\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003c!-- x-tinymce\/html --\u003e\u003cspan data-sheets-root=\"1\"\u003eWave Machine, Plastic\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eH47\u003c\/span\u003e\u003c\/p\u003e","brand":"japson.com","offers":[{"title":"Default Title","offer_id":45282578530413,"sku":"101773","price":0.0,"currency_code":"INR","in_stock":false}]},{"product_id":"ripple-tank-1","title":"RIPPLE TANK","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003eTransparent acrylic plastic ripple tank, supported by a robust plastic frame with recesses for four legs and leveling feet. 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