Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 9 Coordination Compounds Question 1. Copper sulphate dissolves in ammonia due to the formation of (a) Cu2O (b) [Cu(NH3)4]SO4 (c) [Cu(NH3)4]OH (d) [Cu(H2O)4]SO4 Answer: (b) [Cu(NH3)4]SO4 Question 2. The number of ions given by [Pt(NH3)6]Cl4 inaqueous solution will be (a) … Read more
Bihar Board 12th Maths Objective Questions and Answers Bihar Board 12th Maths Objective Answers Chapter 7 Integrals Question 1. Evaluate: ∫(2tan x – 3cot x)2 dx (a) -4tan x – 9cot x – 25x + C (b) 4tan x – 9cot x – 25x + C (c) -4tan x + 9 cot x + 25x … Read more
Bihar Board 12th Hindi Model Papers Bihar Board 12th Hindi 50 Marks Model Question Paper 1 समय 1 घंटे 37.5 मिनट पूर्णांक 50 परीक्षार्थियों के लिए निर्देश परीक्षार्थी यथा संभव अपने शब्दों में उत्तर दें। दाहिनी ओर हाशिये पर दिये हुए अंक पूर्णांक निर्दिष्ट करते हैं। उत्तर देते समय परीक्षार्थी यथासंभव शब्द-सीमा का ध्यान रखें … Read more
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics Objective Answers Chapter 7 Alternating Current Question 1. Alternating voltage (V) is represented by the equation (a) V(t)=Vmewt (b) V(t) = Vm sinωt (c) V(t) = Vm cosωt (d) V(t) = Vm tanωt where Vm is the peak voltage Answer: (b) V(t) = … Read more
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 8 The d-and f-Block Elements Question 1. General electronic configuration of transition metals is (a) (n – 1)d 1–10 ns2 (b) nd10 ns2 (c) (n-1)d10 ns2 (d) (n- 1) d1-5 ns2 Answer: (a) (n – 1)d 1–10 ns2 Question 2. … Read more
Bihar Board Class 12th Hindi Book Solutions Bihar Board Class 12th Hindi Book Solutions गद्य Chapter 2 उसने कहा था उसने कहा था वस्तुनिष्ठ प्रश्न निम्नलिखित प्रश्नों के बहुवैकल्पिक उत्तरों में से सही उत्तर बताएँ प्रश्न 1. चन्द्रधर शर्मा ‘गुलेरी’ की कहानी कौन–सी है? (क) जूठन (ख) रोज़ (ग) उसने कहा था (घ) तिरिछ उत्तर– … Read more
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics Objective Answers Chapter 6 Electromagnetic Induction Question 1. In the figure, galvanometer G gives maximum deflection when (a) magnet is pushed into the coil (b) magnet is rotated into the coil (c) magnet is stationary at the centre of the coil (d) number … Read more
Bihar Board 12th Physics Objective Questions and Answers Bihar Board 12th Physics Objective Answers Chapter 5 Magnetism and Matter Question 1. The primary origin of magnetism lies in (a) atomic current and intrinsic spin of electrons. (b) polar and non polar nature of molecules. (e) pauli exclusion principle. (d) electronegative nature of materials. Answer: (a) … Read more
Bihar Board 12th Chemistry Objective Questions and Answers Bihar Board 12th Chemistry Objective Answers Chapter 7 The p-Block Elements Question 1. Nitrogen shows different oxidation states ranging from (a) -3 to +5 (b) -5 to + 5 (c) 0 to -5 (d) -3 to +3 Answer: (a) -3 to +5 Question 2. The oxidation state … Read more
Bihar Board 12th Maths Objective Questions and Answers Bihar Board 12th Maths Objective Answers Chapter 5 Continuity and Differentiability Question 1. Answer: (b) ln a + ln b Question 2. Answer: (c) 8 Question 3. The number of discontinuous functions y(x) on [-2, 2] satisfying x2 + y2 = 4 is (a) 0 (b) 1 … Read more
Bihar Board 12th Hindi Model Papers Bihar Board 12th Hindi 100 Marks Model Question Paper 1 समय 3 घंटे 15 मिनट पूर्णांक 100 परिक्षार्थियों के लिए निर्देश परीक्षार्थी यथा संभव अपने शब्दों में ही उत्तर दें। दाहिनी ओर हाशिये पर दिये हुए अंक पूर्णांक निर्दिष्ट करते हैं। इस प्रश्न पत्र को पढ़ने के लिए 15 … Read more