Define the 4R principle in brief. - Physics Q&A - Byju's

The 4R means Reduce, Reuse, Recycle and Restore. (i) Reduce: We should reduce the use of non-biodegradable compounds that are harmful to us. Example: Instead of ... AcademicQuestionsPhysicsQuestionsDefineThe4rPrincipleInBrief Definethe4Rprincipleinbrief. Answer: Wasteisdefinedasunwantedandunusablematerialsandisregardedasasubstancethatisofnouse.Wastethatweseeinoursurroundingsisalsoknownasgarbage.Garbageismainlyconsideredasasolidwastethatincludeswastesfromourhouses,wastesfromschools,offices,etcandwastesfromindustriesandfactories. Whatisthemeaningof4R? The4RmeansReduce,Reuse,RecycleandRestore. (i)Reduce:Weshouldreducetheuseofnon-biodegradablecompoundsthatareharmfultous. Example:Insteadofusingpolythenebagsweshouldgivepreferencetopaperbags. (ii)Reuse:Weshouldreusethematerialsinsteadofdumpingthem. Example:Plasticbagscanbereusedtomakedecorativethings. (iii)Recycle:Non-biodegradablematerialsshouldbesubjectedtotherecyclingprocess. Example:Plasticmaterials. (iv)Recovery:Ifthewasteremainsafteritisbeenreusedandrecycled,wecanuseittogenerateenergyatourwaste-energyplant.ThisisknownasRecovery. ArticlestoExplore: ThethreeR’sthatwillhelpustoconservenaturalresourcesforlongtermuseare(a)recycle,regenerate,reuse(b)reduce,regenerate,reuse(c)reduce,reuse,redistribute(d)reduce,recycle,reuse Howcanwereduce,reuseandrecyclewater? Wasthisanswerhelpful?       4(246) (501) (57) ChooseAnOptionThatBestDescribesYourProblem AnswernotinDetail IncompleteAnswer AnswerIncorrect Others AnswernotinDetail IncompleteAnswer AnswerIncorrect Others Thankyou.YourFeedbackwillHelpusServeyoubetter. RelatedQuestions&Answers WhatIsTheStrengthOfThermodynamics StateTheForecastWhenBarometricPressureDoesNotChange NameTheForceWhichIsCompulsoryToSustainUniformCircularMotion WhatHappensInAnAcidBaseReaction WhatDoesEnergyDegradationMean WhatIsTheNumberOfSignificantFiguresIn0001520 CommercialUnitOfElectricEnergyIs NameOneOfTheMostCommonAnimalsInTheTropicalEvergreenForest WhatIsTheOtherNameForAqueousSolutionOfPotassiumPermanganate WhatAreTheApplicationsOfAmplitudeModulatio LeaveaCommentCancelreply YourMobilenumberandEmailidwillnotbepublished.Requiredfieldsaremarked* * SendOTP DidnotreceiveOTP? RequestOTPon VoiceCall * * Website * Grade/Exam Class1 Class2 Class3 Class4 Class5 Class6 Class7 Class8 Class9 Class10 Class11 Class12 IAS CAT BankExam * * PostComment BookaFreeClass RelevantSubjectsPhysicsChemistryBiologyMathsScienceGKJEENEETCommerceEnglish SimilarQuestions Speedofsoundismaximuminwhichamongthefollowing?A)GasesB)VaccumC)LiquidsD)Solids Whatisanon-recordingrain-gauge? Whatiszerouniformvelocitymotion? Howdoweconvert1g/cm3tokg/m3? Electricfieldduetoasinglechargeis____? Whatisgalvanicandfaradiccurrent? Rateofchangeofvelocityiscalled____? Howisanammeterconnectedinacircuithowisavoltmeterconnectedinacircuit? Explainthefunctionof1)armature2)brushes3)splitringsinanelectricmotor Giveexamplesofuniformandnon-uniformspeed A4.5CMneedleisplacedat12cmawayfromaconvexmirroroffocallengthof15cm.Givethelocat... A6-ohmresistancewireisdoubledbyfolding.Whatisthenewresistance? Whenabodymovesuniformlyalongthecircle,then:-(a)itsvelocitychangesbutspeedremainsthe... Ashortbarmagnetofmagneticmoment0.4JT^-1isplacedinauniformmagneticfieldof0.16T.The... Howdoyouapplythecorrectionduetozeroerror? Whenasolidbodyisnegativelychargedbyfriction,itmeansthatthebodyhas(a)acquiredexcess... WhichisthemostimportantpropertyofNanomaterials?A)ForceB)FrictionC)PressureD)Temperatu... Theintensityoflightdependson-1)amplitude2)frequency3)wavelength4)none Anelectricbulbisconnectedtoa220vgeneratorthecurrentis0.50A.Whatisthepowerofthebul... Magneticpermeabilityismaximumfor(a)diamagneticsubstances(b)paramagneticsubstances(c)ferr... JoinBYJU'SLearningProgram Grade/Exam Class1 Class2 Class3 Class4 Class5 Class6 Class7 Class8 Class9 Class10 Class11 Class12 IAS CAT BankExam GATE Submit × BookaFreeClass Share Share Share CallUs DOWNLOAD AppNow DOWNLOAD AppNow AskQuestion