Class 12 Chemistry MCQs Multiple Choice Questions with Answers Practicing these CBSE NCERT Objective MCQ Questions of Class 12 Chemistry with Answers Pdf will guide students to do a quick revision for all the concepts present in each chapter and Read more…
MCQ Questions for Class 12 Physics Chapter 15 Communication Systems with Answers Question 1. Who undertook the first space walk and in which year? (a) Leonov 1965 (b) Neil Armstrong, 1969 (c) Rakesh Sharma. 1998 (d) None of these Answer Read more…
MCQ Questions for Class 12 Physics Chapter 14 Semiconductor Electronics: Materials, Devices and Simple Circuits with Answers Question 1. Bonds in a semiconductor : (a) trivalent (b) covalent (c) bivalent (d) monovalent Answer Answer: (b) covalent Question 2. Number of Read more…
MCQ Questions for Class 12 Physics Chapter 13 Nuclei with Answers Question 1. How many electrons are contained in \(_{92}^{238}\)U nucleus? (a) 92 (b) 146 (c) 238 (d) 0 Answer Answer: (d) 0 Question 2. Chadwick was awarded the Nobel Read more…
MCQ Questions for Class 12 Physics Chapter 12 Atoms with Answers Question 1. An atom stays in an excited state for about: (a) 10 micro seconds (b) 10 milli seconds (c) 10 nano seconds (d) 10 seconds Answer Answer: (c) Read more…
MCQ Questions for Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter with Answers Question 1. De-Broglie equation states the: (a) dual nature (b) particle nature (c) wave nature (d) none of these Answer Answer: (a) dual nature Read more…
MCQ Questions for Class 12 Physics Chapter 10 Wave Optics with Answers Question 1. What happens if one of the slits, say S1 in Young’s double , slit experiment-is covered with a glass plate which absorbs half the intensity of Read more…
MCQ Questions for Class 12 Physics Chapter 9 Ray Optics and Optical Instruments with Answers Question 1. Which of-the following is not a property of light? (a) It can travel through vacuum (b) It has a finite speed (c) It Read more…
MCQ Questions for Class 12 Physics Chapter 8 Electromagnetic Waves with Answers Question 1. The dimensional formula of \(\vec{E}\) is: (a)[MLT-2A-1] (b) [MLT-3A-1] (c) [MLT-2A-2] (d) None of these Answer Answer: (b) [MLT-3A-1] Question 2. The dimensional formula of is: Read more…
MCQ Questions for Class 12 Physics Chapter 7 Alternating Current with Answers Question 1. The average value of a cover a complete cycle is: (a) l0 (b) \(\frac{l_0}{2}\) (c) \(\frac{l_0}{√2}\) (d) zero Answer Answer: (d) zero Question 2. Power factor Read more…