01- The filament of electric bulge is made of tungsten.


02- The tone of tungsten is 3500 degree C.


03- CFL full name is a compact fluorescent lamp.


04- Electric current is the unit ampere.


05- Transformer AC increases (high) and decreases (upscale).


06- The unit of sound intensity is decibels.


07 – Dadasaheb Phalke Lifetime Achievement Award started in 1969.


08- The Sambar lake of Rajasthan is a lake of salt water.


09- The crater of the volcano is called crater.


10- Sudanvan delta is on the Ganges and the Brahmaputra river.


11- The highest density of population is found in the Asia continent.


12- Cuba is called sugar bowl.


13- The largest number of animals is found in India.


14- Indus is the main river of Pakistan.


15- Lactic acid is used in milking curd by milk.


16 – 01 parsek equals 3.26 light years.


17- The first battle of Panipat took place between Ibrahim Lodi and Babur in 1526.


18- Shivaji’s father was Shahaji Bhosle and mother Jijabai.


19- Humorous gas or lanphig gas is nitrous oxide.


20- All elements of the halogen group are used to make color yogic.