PW Solutions

PW Solutions

Views:
178,041,722
Subscribers:
471,000
Videos:
821,493
Duration:
???

PW Solutions is a content creator on YouTube with at least 471 thousand subscribers, publishing more than 821.49 thousand videos which altogether total over 178.04 million views.

Created on ● Channel Link: https://www.youtube.com/channel/UCrgyLs7vuu1lyy963Ycd-6A





All Videos by PW Solutions



PublishedVideo TitleDurationViewsCategoryGame
2024-09-24An ac circuit consists of a series combination of circuit elements X and Y. The current is ahead....0:000
2024-09-24The radius of the \\(\\mathrm{n}^{\\text {th }}\\) orbit in Bohr model of hydrogen atom is propo....0:001
2024-09-24In a Young's double-slit experiment, the fringe width is found to be \\(\\beta\\). If the entire....0:003
2024-09-24Electrostatics deals with the study of forces, fields and potentials arising from static charges....0:007
2024-09-24(a) What do you understand by ‘sharpness of resonance’ for a series LCR resonant cir....0:002
2024-09-24(a) Using the ray diagram for a system of two lenses of focal lengths f1 and f2 in contact with ....0:007
2024-09-24Draw the energy band diagram of (i) n-type, and (ii) p-type semiconductors at temperature T >....0:006
2024-09-24Explain the working principle of an optical fibre with the help of a diagram. Mention one use of....0:001
2024-09-24Why is the electrostatic potential inside a charged conducting shell constant throughout the vol....0:000
2024-09-24Write the functions of transducer and repeaters.....0:001
2024-09-24If \\(y=x|x|\\), find \\(\\frac{d y}{d x}\\) for \\(x<0\\).....0:000
2024-09-24If y = (sec–1x)2, x > 0,, show thatx2x2-1d2ydx2+2x3-xdydx-2=0....0:005
2024-09-24A coin is tossed 5 times. Find the probability of getting (i) at least 4 heads, and (ii) at most....0:003
2024-09-24Define electrical conductivity of a wire. Give its SI unit.....0:002
2024-09-24How are eddy currents generated in a conductor which is subjected to a magnetic field?....0:002
2024-09-24If \\(f(x)=\\frac{4 x+3}{6 x-4}, x \\neq \\frac{2}{3}\\), show that \\(f \\circ f(x)=x\\) for al....0:000
2024-09-24Find the general solution of the differential equation \\(\\log \\left(\\frac{d y}{d x}\\right)=....0:003
2024-09-24Solve the following differential equation :dydx+y=cosx-sinx....0:002
2024-09-24Show that the vectors \\(\\hat{i}-2 \\hat{j}+3 \\hat{k},-2 \\hat{i}+3 \\hat{j}-4 \\hat{k}\\) and....0:000
2024-09-24A series LCR circuit with \\(\\mathrm{R}=20 \\Omega, \\mathrm{L}=2 \\mathrm{H}\\) and \\(\\mathr....0:001
2024-09-24Out of 8 outstanding students of a school, in which there are 3 boys and 5 girls, a team of 4 st....0:004
2024-09-24Find:∫dx5-4x-2x2....0:001
2024-09-24Differentiate \\(\\tan ^{-1} \\frac{3 x-x^3}{1-3 x^2},|x|<\\frac{1}{\\sqrt{3}}\\) w.r.t. \\(\....0:001
2024-09-24Find whether the function \\(f(x)=\\cos \\left(2 x+\\frac{\\pi}{4}\\right)\\); is increasing or ....0:003
2024-09-24Find the length of the intercept, cut off by the plane 2x + y – z = 5 on the x-axis.....0:001
2024-09-24The electromagnetic waves used in radar systems are :....0:004
2024-09-24If \\(|\\vec{a}|=2,|\\vec{b}|=7\\) and \\(\\vec{a} \\times \\vec{b}=3 \\hat{i}+2 \\hat{j}+6 \\ha....0:005
2024-09-24Find the coordinates of the point where the line joining the points \\((3,-4,-5)\\) and \\((2,-3....0:004
2024-09-24If \\(\\frac{\\mathrm{d}}{\\mathrm{d} x}[\\mathrm{~F}(x)]=\\frac{\\sec ^4 x}{\\operatorname{cose....0:005
2024-09-24Find the particular solution of the differential equation:\\[x \\frac{d y}{d x} \\sin \\left(\\f....0:002
2024-09-24If \\(y =\\left(\\sin ^{-1} x\\right)^2\\), prove that \\(\\left(1-x^2\\right) \\frac{ d ^2 y }{....0:002
2024-09-24Why is ground wave transmission of signals restricted to a frequency of 1500 kHz ?....0:001
2024-09-24If \\(A\\) is a square matrix satisfying \\(A^{\\prime} A=I\\), write the value of \\(|A|\\).....0:000
2024-09-24A tank with rectangular base and rectangular sides, open at the top is to be constructed so that....0:008
2024-09-24In a diffraction pattern due to a single slit, how will the angular width of central maximum cha....0:006
2024-09-24If \\(x^p y^q=(x+y)^{p+q}\\), prove that \\(\\frac{d y}{d x}=\\frac{y}{x}\\) and \\(\\frac{d^2 y....0:003
2024-09-24Prove that \\(\\int_0^{ a } f (x) d x=\\int_0^{ a } f ( a -x) d x\\), hence evaluate \\(\\int_0^....0:000
2024-09-24Show that the function \\(f\\) in \\(A=R-\\left\\{\\frac{2}{3}\\right\\}\\) defined as \\(f(x)=\....0:000
2024-09-24Find the vector equation of the line passing through \\((2,1,-1)\\) and parallel to the line \\(....0:000
2024-09-24Give two differences between ideal and non-ideal solutions.....0:007
2024-09-24In a fission event of \\({ }_{92}^{238} \\mathrm{U}\\) by fast moving neutrons, no neutrons are ....0:002
2024-09-24Find the order and the degree of the differential equation \\(x^2 \\frac{d^2 y}{d x^2}=\\left\\{....0:001
2024-09-24If \\(\\vec{a}=2 \\hat{i}+2 \\hat{j}+3 \\hat{k}, \\vec{b}=-\\hat{i}+2 \\hat{j}+\\hat{k}\\) and \....0:0011
2024-09-24If \\(f (x)=x+1\\), find \\(\\frac{ d }{ d x}(\\) fof \\()(x)\\).....0:000
2024-09-24Find the vector equation of the plane that contains the lines \\(\\vec{r}=(\\hat{i}+\\hat{j})+\\....0:003
2024-09-24If \\(\\vec{a}=\\hat{i}+\\hat{j}+\\hat{k}, \\vec{a} \\cdot \\vec{b}=1\\) and \\(\\vec{a} \\times....0:000
2024-09-24In Bohr's model of hydrogen atom, the total energy of the electron in nth  discrete orbit i....0:007
2024-09-24Find the particular solution of the differential equation \\(x \\frac{ dy }{ d x}- y =x^2 \\cdot....0:001
2024-09-24A box \\(B_1\\) contains 1 white ball and 3 red balls. Another box \\(B_2\\) contains 2 white ba....0:000
2024-09-24Find the general solution of the differential equation \\(x \\frac{ dy }{ d x}= y (\\log y -\\lo....0:000
2024-09-24If \\(x^y-y^x=a^b\\), find \\(\\frac{d y}{d x}\\).....0:001
2024-09-24Write the reactions involved in the following :\nGabriel phthalimide synthesis....0:002
2024-09-24Explain the principle and working of a moving coil galvanometer.....0:000
2024-09-24Find : \\(\\int \\frac{ d x}{x^2-6 x+13}\\)....0:000
2024-09-24Find: \\(\\int \\frac{x^2+x+1}{(x+1)\\left(x^2+4\\right)} d x\\)....0:001
2024-09-24Two cards are drawn successively with replacement from a well shuffled pack of 52 cards. Find th....0:001
2024-09-24(a) Find : \\(\\int \\frac{1}{\\sqrt{12+4 x-x^2}} d x\\)OR(b) Find : \\(\\int \\frac{ xe ^{ x }}....0:001
2024-09-24\"Forests provide intangible benefits to us.\" Explain by taking three different areas, how.....0:000
2024-09-24(a) Give reasons :\n(i) Helium does not form compounds like Xenon.\n(ii) HClO4 is a stronger aci....0:002
2024-09-24A patient complains of suffering from constipation, stomach ache, stool with blood clots and exc....0:000
2024-09-24Give reasons for the following :\n\\(\\alpha\\)-hydrogens of aldehydes and ketones are acidic in....0:001
2024-09-24Find the equation of the plane passing through the line of intersection of the planes \\(\\vec{r....0:002
2024-09-24Identify electromagnetic waves which :affect a photographic plate.....0:002
2024-09-24A thin equiconvex lens of radius of curvature \\(R\\) made of material of refractive index \\(\\....0:008
2024-09-24(a) Write the structures of A and B in the following reactions :\n(i) C6H5 N2+Cl-→CuCN....0:002
2024-09-24(a) Calculate the energy and momentum of a photon in a monochromatic beam of wavelength \\(331.5....0:001
2024-09-24Explain with the help of a suitable diagram, the phenomenon on which an optical fibre works. Men....0:002
2024-09-24If \\(\\vec{a}\\) and \\(\\vec{b}\\) are two vectors such that \\(|\\vec{a}+\\vec{b}|=|\\vec{b}|....0:0013
2024-09-24A plano convex lens is made of glass of refractive index 1.5. The radius of curvature of the con....0:005
2024-09-24 Answer the following, giving reason :(a) The resistance of a p-n junction is low when it i....0:003
2024-09-24Using integration, find the area of region bounded by line \\(\\mathrm{y}=\\sqrt{3} x\\), the cu....0:002
2024-09-24(a) Derive the expression for the force acting per unit length between two long straight paralle....0:006
2024-09-24What is meant by energy band gap in a solid? Draw the energy band diagrams for a conductor, an i....0:001
2024-09-24Find the direction cosines of a line whose cartesian equation is given as \\(3 x+1=6 y-2=1-z\\).....0:004
2024-09-24(i) Write the wavelength range of the following electromagnetic radiation :\nGamma-rays, Microwa....0:004
2024-09-24Define the terms 'distance of closest approach' and 'impact parameter'.....0:000
2024-09-24If \\(\\theta\\) is the angle between two vectors \\(\\vec{a}\\) and \\(\\vec{b}\\), then \\(\\v....0:005
2024-09-24(a) Explain briefly the fact that electromagnetic waves carry energy.\n(b) Why do we not feel th....0:000
2024-09-24(a) Using the necessary ray diagram, derive the mirror formula for a concave mirror.\n(b) In the....0:002
2024-09-24Find the area of the region \\(\\left\\{(x, y): x^2 \\leq y \\leq x+2\\right\\}\\), using integr....0:002
2024-09-24How does an oscillating charge radiate an electromagnetic wave ? Give the relation between the f....0:003
2024-09-24A photocell connected in an electrical circuit is placed at a distance 'd' from a source of ligh....0:008
2024-09-24An octagonal prism is a three-dimensional polyhedron bounded by two octagonal bases and eight re....0:001
2024-09-24In Young's double slit experiment, the separation between the two slits is halved. The new fring....0:004
2024-09-24Out of red, blue and yellow lights, the scattering of__________light is maximum.....0:000
2024-09-24Write the IUPAC name of the following complex :\n\\[\\left[\\mathrm{Co}\\left(\\mathrm{NH}_3\\ri....0:003
2024-09-24In an ac circuit, the applied voltage and flowing current are E=E0sinωt and \\(I\\)=I0sin&....0:002
2024-09-24A cell of internal resistance r connected across an external resistance R can supply maximum cur....0:001
2024-09-24Evaluate:\\[\\int_0^\\pi \\frac{x \\tan x}{\\sec x+\\tan x} d x\\]....0:005
2024-09-24An astronomical telescope uses two lenses of powers \\(10 \\mathrm{D}\\) and \\(1 \\mathrm{D}\\)....0:000
2024-09-24{"english":"If \\(y^2 \\cos \\left(\\frac{1}{x}\\right)=a^2\\), then find \\(\\frac{d y}{d x}\\)....0:003
2024-09-24Account for the following :\n(i)  Transition metals generally form coloured compounds.\n(ii....0:002
2024-09-24(a) Use Gauss's law to show that due to a uniformly charged spherical shell of radius R, the ele....0:003
2024-09-24(a) Draw circuit diagram and explain the working of a zener diode as a dc voltage regulator with....0:003
2024-09-24The inward and the outward electric flux through a Gaussian surface are \\(2 \\phi\\) and \\(\\p....0:0011
2024-09-24A magnetic needle becomes vertical at the magnetic pole of the earth. Explain why.....0:003
2024-09-24Find the particular solution of the differential equation \\(\\frac{d y}{d x}+y \\cot x=2 x+x^2 ....0:002
2024-09-24How can you differentiate whether a pattern is produced by a single slit or double slits ? Deriv....0:002
2024-09-24At equilibrium, in a p-n junction diode the net current is:....0:001
2024-09-24If \\(\\cos (x y)=k\\), where \\(k\\) is a constant and \\(x y \\neq n \\pi, n \\in Z\\), then \....0:001