Question 3.1: The car has a storage battery with an emf of 12 V. 0.4Ω is the internal resistance of the battery, what is the maximum current that can be drawn from the battery? Answer 3.1: Given that Emf of the battery, E = 12 V Battery has an Internal resistance of R = 0.4 […]
NCERT Solutions For Class 12 Physics
NCERT books form an appropriate platform in every concept for the exams conducted by CBSE and class 12 is an exact turning point in every student’s career. It involves all the important topics and specific explanation that helps in better understanding of the students and teachers. NCERT books also have a major role in JEE preparation says HRD ministry.
Byju’s comes up with NCERT physics class 12 solutions pdf along with appropriate explanations. It is designed by top-rated teachers. The set of solutions for class 12 Physics us encompassed with step-by-step explanations to all the questions of NCERT text book. It serves a major role in exam preparation along with home assignments.
Posts in category Physics
Question 1: Monochromatic light having a wavelength of 589nm from the air is incident on a water surface. Find the frequency, wavelength and speed of (i) reflected and (ii) refracted light? [1.33 is the Refractive index of water] Answer: Monochromatic light incident having wavelength, = 589 nm = 589 x 10-9 m Speed of light […]
Q 13.1 (a) Lithium has two stable isotopes and have respective abundances of 7.5% and 92.5%. These isotopes have masses 6.01512 u and 7.01600 u, respectively. Find the atomic mass of lithium. (b) Two stable isotopes of Boron , and . Their respective masses are 10.01294 u and 11.00931 u, and the atomic mass of […]
Q 1. Find which of the given statement is true for an n – type silicon. (a) Majority carriers are the electrons and dopants are the trivalent. (b) Minority carriers are the electrons and dopants are the pentavalents. (c) Minority carriers are the holes and dopants are the pentavalent. (d) Majority carriers are the holes […]
Q1: Pick an appropriate option to justify the given statement: (a) Size of an atom in Rutherford’s model is _________ the size of an atom compared to of Thomson’s model. (Less than, Greater than, no different than) (b) Even in the case of stable equilibrium _________ electrons experience a net force, though _______ electrons do […]
Q 8.1) Two circular plates having radius of 12 cm each and separated by 5 cm are used to make a capacitor as shown in the Figure 8.6. An external source charges this capacitor. 0.15 A is the charging current which remains constant. (a) Determine the capacitance and the rate of charge of potential difference […]
Q 1. From the given figure determine the direction of the current induced in the different given situations. (i) (ii) (iii) (iv) (v) (vi) Answer: Lenz’s law shows the direction of induced current in a closed loop. In the given two figures they shows the direction of induced current when the North pole […]