Physics NCERT Exemplar Solution pdf download, get all Physics NCERT Exemplar problem solution here with Step by step problem solution of class 12th CBSE. NCERT Exemplar Problems Class 12 Physics Chapter 1 Electric Charges and Fields NCERT Exemplar Problems Solutions Physics Chapter 2 Electrostatic Potential and Capacitance NCERT Exemplar Problems Solutions Physics Chapter 3 Current Electricity NCERT …
NCERT Exemplar Problems Class 12 Physics Chapter 15 Communication Systems Multiple Choice Questions (MCQs) Single Correct Answer Type Question 1. Three waves A, B and C of frequencies 1600 kHz, 5 MHz and 60 MHz respectively are to be transmitted from one place to another. Which of the following is the most appropriate mode of …
NCERT Exemplar Problems Class 12 Physics Chapter 14 Semiconductor Electronics: Materials, Devices and Simple Circuits Multiple Choice Questions (MCQs) Single Correct Answer Type Question 1. The conductivity of a semiconductor increases with increase in temperature, because (a) number density of free current carries increases (b) relaxation time increases (c) both number density of carries and …
NCERT Exemplar Problems Class 12 Physics Chapter 13 Nuclei Multiple Choice Questions (MCQs) Single Correct Answer Type Question 1. Suppose we consider a large number of containers each containing initially 10000 atoms of a radioactive material with a half life of 1 year. After 1 year, (a) all the containers will have 5000 atoms of …
NCERT Exemplar Problems Class 12 Physics Chapter 12 Atoms Multiple Choice Questions (MCQs) Single Correct Answer Type Question 1. Taking the Bohr radius as a0= 53 pm, the radius of Li++ ion in its ground state, on the basis of Bohr’s model, will be about (a) 53 pm (b) 27 pm (c) 18 pm (d) …
NCERT Exemplar Problems Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Multiple Choice Questions (MCQs) Single Correct Answer Type Question 1. A particle is dropped from a height H. The de-Broglie wavelength of the particle as a function of height is proportional to (a) H (b) H1/2 (c) H0 (d) H-1/2 Solution: …
NCERT Exemplar Problems Class 12 Physics Chapter 10 Wave Optics Multiple Choice Questions (MCQs) Single Correct Answer Type Question 1. Consider a light beam incident from air to a glass slab at Brewster’s angle as shown in figure. A Polaroid is placed in the path of the emergent ray at point P and rotated about …
NCERT Exemplar Problems Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Multiple Choice Questions (MCQs) Single Correct Answer Type Question 1. A ray of light incident at an angle d on a refracting face of a prism emerges from the other face normally. If the angle of the prism is 5° and the …
NCERT Exemplar Problems Class 12 Physics Chapter 8 Electromagnetic Waves Multiple Choice Questions (MCQs) Single Correct Answer Type Question 1. One requires 11 eV of energy to dissociate a carbon monoxide molecule into carbon and oxygen atoms. The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in (a) visible region (b) …
NCERT Exemplar Problems Class 12 Physics Chapter 7 Alternating Current Multiple Choice Questions (MCQs) Single Correct Answer Type Question 1. If the rms current in a 50 Hz AC circuit is 5 A, the value of the current 1/300 s after its value becomes zero is Solution: (b) Key concept: Equation for i and V: …
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