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CBSE Class 10 Answered

What is the use of refrective index if we have speed of light in all meadium
Asked by Ak9639315541 | 19 Feb, 2018, 02:58: PM
answered-by-expert Expert Answer
Refractive index of a medium = begin mathsize 12px style fraction numerator s p e e d space o f space l i g h t space i n space a i r over denominator s p e e d space o f space l i g h t space i n space m e d i u m end fraction end style
Hence by having speed of light i medium and spped of light in air, we can get the refractive index of any medium
Answered by Thiyagarajan K | 19 Feb, 2018, 05:34: PM
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what is the role of acid in our stomach
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Maharashtra State Board Exam Class 10 Physics (2024) The SI unit of heating is _____________ (A) Calorie   (B) Joule (C) Kcal/kg  ºC (D) Cal/g ºC
Asked by sagarmishra | 18 Mar, 2024, 04:10: PM
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CBSE 10 - Science
when hydrogen gas burns in presence of oxygen then water is formed and when water is electrolysed then hydrogen and oxygen gases are produced . state which type of reaction takes place
Asked by srinivasansriharinia9 | 01 Mar, 2024, 08:17: PM
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Red brown gas is release along with oxygen and lead oxide on heating lead nitrate it is example of which reaction
Asked by muskanprayagraj78 | 26 Feb, 2024, 05:44: PM
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CBSE 10 - Science
An electric refrigerator rated 1 kW operates 6 hours daily. What is the cost of the energy to operate it for 15 days at rate of ₹ 3.00 per kWh?
Asked by kmannatpreet4 | 21 Feb, 2024, 07:34: PM
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CBSE 10 - Science
four wires of each 0f the same length diameter and material are connected to form a square,If the resistance of each wire is R.then equivalent resistance accross the opposite corner is
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CBSE 10 - Science
Soaps and detergents are both types of salts. Stare the difference between the hws. Write the mechanism of the cleansing action of soups. Why de soaps not form lather (foam with hard water? Mention any wo problems that arise due to the war of detergents instrad of soaps
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CBSE 10 - Science
difference between saturated and unsaturated hydrocarbon
Asked by samirankarmakar2702 | 07 Feb, 2024, 09:59: PM
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