1. "Optical Phenomenon" in the fringe pattern of CD is
Interference
2. Celsius and Fahrenheit show the same temperature at
Ans : -40
3. Exchange particle in Quark-Quark Interaction
Ans : Gluon
4. The working of a rockets based on the principle of:
Ans : Conservation of momentum
5.The pollutants which move downward with percolating groundwater are called
Ans : Leachates
6.Hasdo Valley in Chhattisgarh is famous for
Ans : Coal mines
7. Special Theory of Relative was proposed in
1905
8.Black hole is an object to be found
Ans : in the sky
9.IRADIAN is
Ans : 57.3 degree
10.Fraction of volume of ice seen outside when immersed in water?
Ans : 10.5%
11. The disease " bronchitis " is associated with:
Ans : Lungs
12. Which colour indicate Highest Temperature?
Ans : Dull red
13. Persons sitting in an artificial satellite of the earth have :
Ans : Zero weight
14. Light Year is
Ans : the distance traveled by light in one year
15. Liquefied petroleum gas (LPG) is mainly a mixture of
Ans : propane and butane
16.The Ozone layer lies in the
Ans : Stratosphere
17. Most of the light rays inside a tube -light is in the form of
Ans : ultra -violet light
18. Which is the alkalodid that contains in cola drinks?
Ans : Caffeine
19. The device used for detecting even feeble current:
Ans : Galvanoscope
20. Anemometer is an instrument used for measuring?
Ans: Wind speed
21. The satellite of Ecuador which was damaged on collision with Russian debris in space?
Ans: Pegasus. This is the first and only satellite
22. The Indian Space Research Organization (ISRO) Navigation centre was set up at _______
Ans: Byalalu, about 40 km from Banglore
23. The acronym ____ means billion of operations per second
Ans: GB
24. A technology to provide high speed internet access over telephone wiring:
Ans: ADSL
25.Which device is used to study the way and object behaves when the air flows over it?
Ans: Wind Tunnel
26. The part of a computer that shows visual information on a screen.
Ans: Visual Display Unit (VDU)
27. What are the machines used to check the progress of unborn babies still in the mother’s womb?
Ans: Ultra Sound Machines
28. A type glass that is highly resistant to heat.
Ans: Borosilicate Glass
29. The process of killing diseases producing micro organism in food items by heat.
Ans: Pasteurization
30. Tuberculosis is caused by it.
Ans: Bacteria
31. Which country in the world has maximum number of robots working?
Ans : Japan
32. What is the name of the instrument that measures wind speed?
Ans : Anemometer
33. A device used to measure the strength of magnetic field.
Ans: Magnetometer
34. A strip of flexible plastic with magnetic coating that is used to record sound and pictures.
Ans: Magnetic Tape
35. A method of growing plants without soil.
Ans: Hydroponics
36. Electricity produced from falling water.
Ans: hydroelectricity
37. The fear of being out of mobile phone contact is known as?
Ans: Nomophobia
38. In which year did IT Act came into force in India?
Ans: 2000
39. A new technology which provides the ability to create an artificial world and have people interact with it is called ?
Ans: Televirtuality
40.The device used for locating submerged object sunder sea is-
Ans : Sonar
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