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.