infra-red rays were first detected by?
the intensity level of sound is measured in?
the material used for a fuse wire should?
radioactivity is a property of?
what is the source of electric energy in an artificial
satellite?
the following is used as a lubricant in heavy machines?
supher, bauxite , graphite, phosphorus

Answers were Sorted based on User's Feedback



infra-red rays were first detected by? the intensity level of sound is measured in? the material u..

Answer / jibz

1.Infra red rays.....William Herschel
2.intensity........Decibels
3.Material in fuse wire.....Low melting point
4.Radioactivity...Property of z>83.
5.Source of Energy.........Solar cells
6.Lubricant...Graphite

Is This Answer Correct ?    2 Yes 0 No

infra-red rays were first detected by? the intensity level of sound is measured in? the material u..

Answer / orion

infra-red rays were first detected by?

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More General Science Interview Questions

Papepr is manufactured by 1 Wod and resin 2 Wood, sodium and bleaching powder 3 Wood and bleaching powder 4 Wood, calcium, hydrogen sulphite and resin

1 Answers  


why we can't make our living room as refrigerator?

3 Answers   CLG,


wheather lightning will attack a aeroplane during flying if not why

2 Answers   TCS,


any one who has interviewed at noida for SBI clerk i have my interview call on 23.10.2008

0 Answers  


WHY WE SMELL A SCENT AFTER RAIN?? BUT RAIN WATER IS PUREST FORM OF WATER WHICH IS ODOURLESS.

1 Answers  






Which of the following elements is not-radioactive? 1 Uranium 2 Thorium 3 Plutonium 4 zirconium

3 Answers   ACC,


The ore of which of the following metals can be concentrated by hydraulic washing? 1 Tin 2 Sodium 3 Iron 4 Manganese

3 Answers  


how longs & what conditions will a matter, say for example U, after an atomic explosion and was converted completely into energy will again condensed back into a matter named U'

0 Answers  


Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon

1 Answers  


Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon

1 Answers  


What are the aluminium alloys that you supply?

1 Answers   Hyundai,


What is the capacity of arihant’s atomic reactor?

0 Answers  


Categories