Physics with Gaurav

@UCb1Ry6QlbpkX3wiLIzFs71Q - 29.8K subscribers

Hello My Dear Students. I m Gaurav Sharma, B.Tech (Mechanical Engineering) and M.Tech (Thermal Engineering) holding an experience of 10years in Teaching. My Motive is to make you familiar with basic Concepts of Physics, so that you can prepare yourself for competitive exams like Neet, JEE as well as board Exams. Regards Er. Gaurav Sharma

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CH 14 CLASS 12 PHYSICS || ONESHORT NUMERICALS || SEMICONDUCTORELECTRONICS:MATERIALS, DEVICES

CH 14 CLASS 12 PHYSICS || ONESHORT NUMERICALS || SEMICONDUCTORELECTRONICS:MATERIALS, DEVICES Physics with Gaurav

110 views - 4 months ago

Exercise 14.6 Physics 12. In half-wave rectification, what is the output frequency if the input

Exercise 14.6 Physics 12. In half-wave rectification, what is the output frequency if the input Physics with Gaurav

61 views - 4 months ago

Exercise 14.5 Physics 12. When a forward bias is applied to a p-n junction, it

Exercise 14.5 Physics 12. When a forward bias is applied to a p-n junction, it Physics with Gaurav

38 views - 4 months ago

Exercise 14.4 Physics 12. In an unbiased p-n junction, holes diffuse from the p-region ton-region

Exercise 14.4 Physics 12. In an unbiased p-n junction, holes diffuse from the p-region ton-region Physics with Gaurav

38 views - 4 months ago

Exercise 14.3 Physics 12. Carbon, silicon and germanium have four valence electrons each.

Exercise 14.3 Physics 12. Carbon, silicon and germanium have four valence electrons each. Physics with Gaurav

23 views - 4 months ago

Exercise 14.2 Physics 12. Which of the statements given in Exercise 14.1 is true for p-type semicond

Exercise 14.2 Physics 12. Which of the statements given in Exercise 14.1 is true for p-type semicond Physics with Gaurav

27 views - 4 months ago

Exercise 14.1 Physics 12. In an n-type silicon, which of the following statement is true

Exercise 14.1 Physics 12. In an n-type silicon, which of the following statement is true Physics with Gaurav

22 views - 4 months ago

Example 14.4 Physics 12. The V-I characteristic of a silicon diode is shown in the Fig. 14.17.

Example 14.4 Physics 12. The V-I characteristic of a silicon diode is shown in the Fig. 14.17. Physics with Gaurav

119 views - 4 months ago

Example 14.3 Physics 12. Can we take one slab of p-type semiconductor and physically join it to

Example 14.3 Physics 12. Can we take one slab of p-type semiconductor and physically join it to Physics with Gaurav

116 views - 4 months ago

Example 14.2 Physics 12. Suppose a pure Si crystal has 5 × 10^28 atoms m^–3. It is doped by 1 ppm

Example 14.2 Physics 12. Suppose a pure Si crystal has 5 × 10^28 atoms m^–3. It is doped by 1 ppm Physics with Gaurav

712 views - 5 months ago

Example 14.1 Physics 12. C, Si and Ge have same lattice structure. Why is C insulator while Si and

Example 14.1 Physics 12. C, Si and Ge have same lattice structure. Why is C insulator while Si and Physics with Gaurav

281 views - 5 months ago

CH 13 CLASS 12 PHYSICS || COMPLETE NUMERICALS || NUCLEI

CH 13 CLASS 12 PHYSICS || COMPLETE NUMERICALS || NUCLEI Physics with Gaurav

90 views - 5 months ago

Exercise 13.10 Physics 12. From the relation R = R0A^ 1/3, where R0 is a constant and A is the

Exercise 13.10 Physics 12. From the relation R = R0A^ 1/3, where R0 is a constant and A is the Physics with Gaurav

62 views - 5 months ago

Exercise 13.9 Physics 12. Calculate the height of the potential barrier for a head on collision of

Exercise 13.9 Physics 12. Calculate the height of the potential barrier for a head on collision of Physics with Gaurav

218 views - 5 months ago

Exercise 13.8 Physics 12. How long can an electric lamp of 100W be kept glowing by fusion of

Exercise 13.8 Physics 12. How long can an electric lamp of 100W be kept glowing by fusion of Physics with Gaurav

631 views - 5 months ago

Exercise 13.7 Physics 12. The fission properties of Pu are very similar to those of U . The average

Exercise 13.7 Physics 12. The fission properties of Pu are very similar to those of U . The average Physics with Gaurav

302 views - 5 months ago

Exercise 13.6 Physics 12. Suppose, we think of fission of a Fe nucleus into two equal fragments Al

Exercise 13.6 Physics 12. Suppose, we think of fission of a Fe nucleus into two equal fragments Al Physics with Gaurav

246 views - 5 months ago

Exercise 13.5 Physics 12. The Q value of a nuclear reaction A + b - C + d is defined by

Exercise 13.5 Physics 12. The Q value of a nuclear reaction A + b - C + d is defined by Physics with Gaurav

344 views - 5 months ago

Exercise 13.4 Physics 12. Obtain approximately the ratio of the nuclear radii of the gold isotope

Exercise 13.4 Physics 12. Obtain approximately the ratio of the nuclear radii of the gold isotope Physics with Gaurav

216 views - 5 months ago

Exercise 13.3 Physics 12. A given coin has a mass of 3.0 g. Calculate the nuclear energy that would

Exercise 13.3 Physics 12. A given coin has a mass of 3.0 g. Calculate the nuclear energy that would Physics with Gaurav

421 views - 5 months ago

Exercise 13.2 Physics 12. Obtain the binding energy of the nuclei Fe and Bi

Exercise 13.2 Physics 12. Obtain the binding energy of the nuclei Fe and Bi Physics with Gaurav

178 views - 6 months ago

Exercise 13.1 Physics 12. Obtain the binding energy (in MeV) of a nitrogen nucleus

Exercise 13.1 Physics 12. Obtain the binding energy (in MeV) of a nitrogen nucleus Physics with Gaurav

426 views - 6 months ago

Example 13.4 Physics 12. Are the equations of nuclear reactions (such as those given inSection 13.7)

Example 13.4 Physics 12. Are the equations of nuclear reactions (such as those given inSection 13.7) Physics with Gaurav

172 views - 6 months ago

Example 13.3 Physics 12. Find the energy equivalent of one atomic mass unit, first in Joules

Example 13.3 Physics 12. Find the energy equivalent of one atomic mass unit, first in Joules Physics with Gaurav

1.4K views - 6 months ago

Example 13.2 Physics 12. Calculate the energy equivalent of 1 g of substance.

Example 13.2 Physics 12. Calculate the energy equivalent of 1 g of substance. Physics with Gaurav

353 views - 6 months ago

Example 13.1 physics 12. Given the mass of iron nucleus as 55.85u and A=56, find the nuclear density

Example 13.1 physics 12. Given the mass of iron nucleus as 55.85u and A=56, find the nuclear density Physics with Gaurav

2.1K views - 6 months ago

CH 12 CLASS 12 PHYSICS || ONESHORT COMPLETE NUMERICALS || ATOMS

CH 12 CLASS 12 PHYSICS || ONESHORT COMPLETE NUMERICALS || ATOMS Physics with Gaurav

95 views - 7 months ago

Exercise 12.9 Physics 12. In accordance with the Bohr’s model, find the quantum number that

Exercise 12.9 Physics 12. In accordance with the Bohr’s model, find the quantum number that Physics with Gaurav

724 views - 7 months ago

Exercise 12.8 Physics 12. A 12.5 eV electron beam is used to bombard gaseous hydrogen at room temper

Exercise 12.8 Physics 12. A 12.5 eV electron beam is used to bombard gaseous hydrogen at room temper Physics with Gaurav

1.9K views - 7 months ago

Exercise 12.7 Physics 12. The radius of the innermost electron orbit of a hydrogen atom is 5.3

Exercise 12.7 Physics 12. The radius of the innermost electron orbit of a hydrogen atom is 5.3 Physics with Gaurav

774 views - 7 months ago

Exercise 12.6 Physics 12. Using the Bohr’s model calculate the speed of the electron in a hydrogen

Exercise 12.6 Physics 12. Using the Bohr’s model calculate the speed of the electron in a hydrogen Physics with Gaurav

1.7K views - 7 months ago

Exercise 12.5 Physics 12. A hydrogen atom initially in the ground level absorbs a photon, which

Exercise 12.5 Physics 12. A hydrogen atom initially in the ground level absorbs a photon, which Physics with Gaurav

1.4K views - 7 months ago

Exercise 12.4 Physics 12. The ground state energy of hydrogen atom is –13.6 eV. What are the kinetic

Exercise 12.4 Physics 12. The ground state energy of hydrogen atom is –13.6 eV. What are the kinetic Physics with Gaurav

1.6K views - 7 months ago

Exercise 12.3 Physics 12. A difference of 2.3 eV separates two energy levels in an atom. What is the

Exercise 12.3 Physics 12. A difference of 2.3 eV separates two energy levels in an atom. What is the Physics with Gaurav

551 views - 7 months ago

Exercise 12.2 Physics 12. Suppose you are given a chance to repeat the alpha-particle scattering exp

Exercise 12.2 Physics 12. Suppose you are given a chance to repeat the alpha-particle scattering exp Physics with Gaurav

124 views - 7 months ago

Exercise 12.1 Physics 12. Choose the correct alternative from the clues given at the end of the each

Exercise 12.1 Physics 12. Choose the correct alternative from the clues given at the end of the each Physics with Gaurav

78 views - 7 months ago

Example 12.4 Physics 12. According to the classical electromagnetic theory, calculate the initial

Example 12.4 Physics 12. According to the classical electromagnetic theory, calculate the initial Physics with Gaurav

895 views - 8 months ago

Example 12.3 Physics 12. It is found experimentally that 13.6 eV energy is required to separate a

Example 12.3 Physics 12. It is found experimentally that 13.6 eV energy is required to separate a Physics with Gaurav

1.6K views - 8 months ago

Example 12.2 Physics 12. In a Geiger-Marsden experiment, what is the distanceof closest approach

Example 12.2 Physics 12. In a Geiger-Marsden experiment, what is the distanceof closest approach Physics with Gaurav

1K views - 8 months ago

Exercise 9.19 Physics 12. A screen is placed 90cm from an object. The image of the object on the

Exercise 9.19 Physics 12. A screen is placed 90cm from an object. The image of the object on the Physics with Gaurav

811 views - 8 months ago

Example 12.1 Physics 12. In the Rutherford’s nuclear model of the atom, the nucleus radius about 10

Example 12.1 Physics 12. In the Rutherford’s nuclear model of the atom, the nucleus radius about 10 Physics with Gaurav

747 views - 8 months ago

CHAPTER 11 || CLASS 12 PHYSICS || ONE SHORT NUMERICALS || DUAL NATURE OF RADIATION AND MATTER

CHAPTER 11 || CLASS 12 PHYSICS || ONE SHORT NUMERICALS || DUAL NATURE OF RADIATION AND MATTER Physics with Gaurav

92 views - 8 months ago

Exercise 11.11 Physics 12. Show that the wavelength of electromagnetic radiation is equal to the de

Exercise 11.11 Physics 12. Show that the wavelength of electromagnetic radiation is equal to the de Physics with Gaurav

1K views - 8 months ago

Exercise 11.10 Physics 12. What is the de Broglie wavelength of(a) a bullet of mass 0.040 kg

Exercise 11.10 Physics 12. What is the de Broglie wavelength of(a) a bullet of mass 0.040 kg Physics with Gaurav

331 views - 8 months ago

Exercise 11.8 Physics 12. Light of frequency 7.21 × 10^ 14 Hz is incident on a metal surface.

Exercise 11.8 Physics 12. Light of frequency 7.21 × 10^ 14 Hz is incident on a metal surface. Physics with Gaurav

1K views - 8 months ago

Exercise 11.7 Physics 12. The work function for a certain metal is 4.2 eV. Will this metal give

Exercise 11.7 Physics 12. The work function for a certain metal is 4.2 eV. Will this metal give Physics with Gaurav

362 views - 8 months ago

Exercise 11.6 Physics 12. The threshold frequency for a certain metal is 3.3 × 1014 Hz. If light

Exercise 11.6 Physics 12. The threshold frequency for a certain metal is 3.3 × 1014 Hz. If light Physics with Gaurav

583 views - 8 months ago

Exercise 11.5 Physics 12. In an experiment on photoelectric effect, the slope of the cut-off voltage

Exercise 11.5 Physics 12. In an experiment on photoelectric effect, the slope of the cut-off voltage Physics with Gaurav

425 views - 8 months ago

Exercise 11.4 PHYSICS 12. Monochromatic light of wavelength 632.8 nm is produced by a helium-neon

Exercise 11.4 PHYSICS 12. Monochromatic light of wavelength 632.8 nm is produced by a helium-neon Physics with Gaurav

888 views - 8 months ago

Exercise 11.3 Physics 12. The photoelectric cut-off voltage in a certain experiment is 1.5 V. What

Exercise 11.3 Physics 12. The photoelectric cut-off voltage in a certain experiment is 1.5 V. What Physics with Gaurav

755 views - 8 months ago

Exercise 11.2 Physics 12. The work function of caesium metal is 2.14 eV. When light of frequency

Exercise 11.2 Physics 12. The work function of caesium metal is 2.14 eV. When light of frequency Physics with Gaurav

1.3K views - 8 months ago

Exercise 11.1 physics 12. Find the (a) maximum frequency, and (b) minimum wavelength of X-rays

Exercise 11.1 physics 12. Find the (a) maximum frequency, and (b) minimum wavelength of X-rays Physics with Gaurav

1.2K views - 8 months ago

Example 11.3 Physics 12. What is the de Broglie wavelength associated with (a) an electron moving

Example 11.3 Physics 12. What is the de Broglie wavelength associated with (a) an electron moving Physics with Gaurav

475 views - 8 months ago

Example 11.2 Physics 12. The work function of caesium is 2.14 eV. Find (a) the threshold frequency

Example 11.2 Physics 12. The work function of caesium is 2.14 eV. Find (a) the threshold frequency Physics with Gaurav

1.4K views - 8 months ago

Example 11.1 Physics 12. Monochromatic light of frequency 6.0 x 10^ 14 Hz is produced by a laser.

Example 11.1 Physics 12. Monochromatic light of frequency 6.0 x 10^ 14 Hz is produced by a laser. Physics with Gaurav

484 views - 8 months ago

CH 10 CLASS 12 PHYSICS || COMPLETE NUMERICALS || WAVE OPTICS

CH 10 CLASS 12 PHYSICS || COMPLETE NUMERICALS || WAVE OPTICS Physics with Gaurav

34 views - 8 months ago

EXERCISE 10.6 Physics 12. A beam of light consisting of two wavelengths, 650 nm and 520 nm,is

EXERCISE 10.6 Physics 12. A beam of light consisting of two wavelengths, 650 nm and 520 nm,is Physics with Gaurav

2.9K views - 8 months ago

Exercise 10.5 Physics 12. In Young’s double-slit experiment using monochromatic light of wavelength

Exercise 10.5 Physics 12. In Young’s double-slit experiment using monochromatic light of wavelength Physics with Gaurav

772 views - 8 months ago

Exercise 10.4 Physics 12. In a Young’s double-slit experiment, the slits are separated by 0.28 mm

Exercise 10.4 Physics 12. In a Young’s double-slit experiment, the slits are separated by 0.28 mm Physics with Gaurav

661 views - 8 months ago

$Exercise 10.3 Physics 12. The refractive index of glass is 1.5. What is the speed of light in glass?$ 4:10

Exercise 10.3 Physics 12. The refractive index of glass is 1.5. What is the speed of light in glass? Physics with Gaurav

229 views - 8 months ago