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JEE Free Doubts and Solutions

A particle of mass m and positive charge q is projected towards an infinity long line of charge from a distance r the velocity v makes 30 degree with normal to the line charge the minimum distance of approach of charge particle with line of charge

Asked by ayushsahuopp 21st January 2020, 10:03 AM

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find kinetic energy of rocket

Asked by ashutosharnold1998 21st January 2020, 12:47 AM

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Find the angle subtended by the line seg AB at the origin A(√3, -1),B(√3,1)

Asked by yugalsalunke.ys 15th January 2020, 7:08 PM

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For the equations cos(4y-3x-2)-cos(4y+3x+2)=2+2(ln(k^4-255))^2 and cos(4y-3x-2)-cos(4y+3x+2)=2k+8 The possible value of k is??

Asked by amritchirania 10th January 2020, 3:28 PM

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Why water wave can't  be polarised although its a transverse in nature

Asked by ashutosharnold1998 8th January 2020, 3:19 AM

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Which of the these can be polarised

Asked by ashutosharnold1998 6th January 2020, 9:45 AM

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a long wire with current I is bifurcated as shown in the figure dividing curent equally.The magnetic feild at point (0,a) is :

Asked by adityasrivastava703 5th January 2020, 10:16 PM

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A particle performing shm x=Asin(wt+π) . Find from where particle starts motion and in which direction initially move

Asked by ashutosharnold1998 5th January 2020, 12:46 AM

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What  is moment of inertia about centre of a rectangle

Asked by Raymangoel13062000 3rd January 2020, 5:14 PM

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two numbers are such that three times the first added to four times the second is 96 and the excess of four times the first over three times the second is three find the number

Asked by Gangrademohini 1st January 2020, 10:58 PM

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Detailed solution for this.

Asked by g_archanasharma 16th December 2018, 6:20 PM

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Detailed solution for this.

Asked by g_archanasharma 16th December 2018, 6:19 PM

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Detailed solution for this.

Asked by g_archanasharma 16th December 2018, 6:18 PM

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Detailed solution for this.

Asked by g_archanasharma 16th December 2018, 6:11 PM

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Detailed solution for this.

Asked by g_archanasharma 16th December 2018, 6:09 PM

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Sir pls solve this question.

Asked by rsudipto 15th December 2018, 6:13 PM

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2nd and 3rd

Asked by StarBoy 15th December 2018, 2:25 PM

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Sir in this question how is the inverse fn derived. Pls explain in details.

Asked by rsudipto 15th December 2018, 8:55 AM

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Sir pls solve this question.

Asked by rsudipto 14th December 2018, 9:52 AM

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Sir pls solve this question.

Asked by rsudipto 14th December 2018, 9:51 AM