Class Notes 4 You

 UNION PUBLIC SERVICE COMMISSION  PRESS NOTE  RESCHEDULING OF THE CIVIL SERVICES (PRELIMINARY)  EXAMINATION, 2021 Due to the prevailing conditions caused by the Novel Corona Virus  (COVID-19), the Union Public Service Commission has deferred the  Civil Services (Preliminary) Examination, 2021, which was scheduled  to be held on 27th June, 2021. Now, this Examination will be held on  10th October, 2021.  *********

  📊 त्रिकोणमिति : महत्वपूर्ण सूत्र 📊 🍎 योग सूत्र ➭ Sin(A+B) = SinACosB+CosASinB ➭ Sin(A-B) = SinACosB-CosASinB ➭ Cos(A+B) = CosACosB-SinASinB ➭ Cos(A-B) = CosACosB+SinASinB 🍏 अन्तर सूत्र ➭ tan(A+B) = tanA+tanB/1-tanAtanB ➭ tan(A-B) = tanA-tanB/1+tanAtanB 🍎 C-D सूत्र ➭ SinC+SinD = 2Sin(C+D/2) Cos(C-D/2) ➭ SinC-SinD = 2Cos(C+D/2) Sin(C-D/2) ➭ CosC+CosD = 2Cos(C+D/2) Cos(C-D/2) ➭ CosC-CosD = 2Sin(C+D/2) Sin(D-C/2) ➭ CosC-CosD = -2Sin(C+D/2) Sin(C-D/2) 🍏 रूपांतरण सूत्र ➛ 2SinACosB = Sin(A+B)+Sin(A-B) ➛ 2CosASinB = Sin(A+B)-Sin(A-B) ➛ 2CosACosB = Cos(A+B)+Cos(A-B) ➛ 2SinASinB = Cos(A-B)-Cos(A+B) 🍎 द्विक कोण सूत्र  ➛ Sin2A = 2SinACosA ➛ Cos2A = Cos²A-Sin²A = 2Cos²-1 = 1-2Sin²A ➛ tan2A = 2tanA/1-tan²A ➛ Sin2A = 2tanA/1+tan²A ➛ Cos2A = 1-tan²A/1+tan²A 🍏 विशिष्ट सूत्र ➛ Sin(A+B)Sin(A-B) = Sin²A-Sin²B                                   = Cos²B-Cos²A ➛ Cos(A+B)Cos(A-B) = Cos²A-Sin²B = Cos²B-S...

वैज्ञानिक उपकरण एवं उनके उपयोग ●एक्सिलरोमीटर (Accelerometer) ➠ वाहन की चाल की वृद्धि दर को मापने का यंत्र ●एनिमोमीटर (Anemometer) ➠ वायु की शक्ति और गति मापने का यंत्र ●एपिकायस्कोप (Apicoiscope) ➠ अपारदर्शी चित्रों को पर्दै पर दिखाने का काम आने उपकरण ●एक्युमुलेटर (Accumulator) ➠ विद्युत् ऊर्जा को संचित करने का यंत्र ●एक्टिनोमीटर (Actinometer) ➠ सूर्य किरणों की तीव्रता का निधरिण करने वाला यंत्र ●ऑडियोमीटर (Audiometer) ➠ ध्वनि की तीव्रता मापने हेतु प्रयुक्त यंत्र ●ऑडियोफोन (Audiophone) ➠  सुनने में सहायता के लिये कान में लगाया जाने वाला उपकरण ●एयरोमीटर (Aerometer) ➠ वायु तथा गैसों के भार तथा घनत्व मापने का यंत्र ●अल्टीमीटर (Altimeter) ➠ विमानों की ऊँचाई मापने हेतु प्रयुक्त यंत्र ●एमीटर (Ammeter) ➠ विद्युत्-धारा को एम्पियर में मापने हेतु प्रयुक्त यंत्र ●औरिस्कोप (Auriscope) ➠ कान के आंतरिक भाग के निरीक्षण के लिए प्रयुक्त यंत्र ●एवोमीटर (Avometer) ➠ रेडियो में उत्पन्न दोष का पता लगाने का यंत्र ●बैरोग्राफ (Barograph) ➠ वायुमंडलीय दाब में होने वाले परिवर्तन का ग्राफ अंकित करनेवाला यंत्र ...

Geography_Rajtanil_Solanki_Rank_367_IRS classnotes4you  https://www.mediafire.com/folder/72sfoi7m39mnr/2_Geography_Rajtanil_Solanki_Rank_367_IRS

  🔰 Major Laws and Rights 🔰 ============================== 🔹 Motor Vehicle Act 1988, section -185, 202 ➨ At the time of driving if your 100ml. blood contains more than 30mg. of alcohol then the police can arrest you without a warrant. 🔹 Criminal Procedure Code, Section 46 ➨ No woman cannot be arrested before 6 A.M. and after 6 P.M. 🔹 Indian Penal Code, 166 A ➨ A Police officer can’t refuse to lodge an FIR if he/she does so they could be jailed for up to 6 months to 1 year. 🔹 Indian Sarais Act, 1887 ➨ Even any 5-star hotel can’t prohibit you from drinking potable water and using its washrooms. 🔹 Motor Vehicle Act, 1988 ➨ As per Section 129 of the Indian Motor Vehicle Act, wearing the helmet is a must for two-wheeler riders. Section 128 of this Motor Vehicle Act limits the maximum two riders on the bikes. 🔹 Domestic Violence Act, 2005 ➨ If a young boy and a girl want to live together in a “live-in relationship”, they can do so because it is not illegal. Even the newborn from ...

  ♻️Environment Related Act♻️ ========================= 🔅 Air (Prevention and Control of Pollution) Act, 1981 🔅 Biological Diversity Act, 2002 🔅 Environment (Protection) Act, 1986 🔅 National Environment Appellate Authority act -1997 🔅 Forest Conservation Act, 1980 🔅 Indian Forest Act, 1927 🔅 The National Environment Tribunal Act, 1995 🔅 National Green Tribunal Act, 2010 🔅 Noise Pollution rule, 2000 🔅 Protection of Plant Varieties and Farmers' Rights Act of 2001 🔅 Public Liability Insurance Act, 1991 🔅 Wildlife Protection Act of 1972 🔅 Water (Prevention and Control of Pollution) Act, 1974 

🔥🔥🔥 UPSC CSE Prelims MASTER tricks to Solve MCQs [Note:] 1.) To master these Rules practice Previous year Questions(PYQ) 2.)only works when you have some basic knowledge about subject 3.)Use them as last resort 4.)These rules won’t work in coaching’s test series.  General: 1. Understand the mind set of question setter, try to find how they made this statement to be incorrect. 2. Try to detect "Sach ke aas-pass ka juth Ex.Tansen was the title given to him by Emperor Akbar (wrong statement) Explanation- ln this statement it's easy to replace who actually gave tittle(sach) with juth(Akbar) while designing Question paper by examiner 3. Generalized correlated thing is more likely to be correct than specific one(statement with fact). 4. Wider thing more likely to be correct than narrow ones 5. Examiner try to give Absolute incorrect statement so that there will not be any chance of being it correct by nay research or e...