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# JEE Free Doubts and Solutions

### IIT JEE - Main - Physics

## 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

**ayushsahuopp**21st January 2020, 10:03 AM

### IIT JEE - Main - Physics

## find kinetic energy of rocket

**ashutosharnold1998**21st January 2020, 12:47 AM

### IIT JEE - Main - Mathematics

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

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

### IIT JEE - Main - Mathematics

## 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??

**amritchirania**10th January 2020, 3:28 PM

### IIT JEE - Main - Physics

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

**ashutosharnold1998**8th January 2020, 3:19 AM

### IIT JEE - Main - Physics - Electromagnetic Waves

## Which of the these can be polarised

**ashutosharnold1998**6th January 2020, 9:45 AM

### IIT JEE - Main - Physics

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

**adityasrivastava703**5th January 2020, 10:16 PM

### IIT JEE - Main - Physics

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

**ashutosharnold1998**5th January 2020, 12:46 AM

### IIT JEE - Main - Physics

## What is moment of inertia about centre of a rectangle

**Raymangoel13062000**3rd January 2020, 5:14 PM

### IIT JEE - Main - Mathematics - Complex Numbers and Quadratic Equations

## 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

**Gangrademohini**1st January 2020, 10:58 PM

### JEE Plances - JEE (Main) - Mathematics

## Detailed solution for this.

**g_archanasharma**16th December 2018, 6:20 PM

### JEE Plances - JEE (Main) - Mathematics

## Detailed solution for this.

**g_archanasharma**16th December 2018, 6:19 PM

### JEE Plances - JEE (Main) - Mathematics

## Detailed solution for this.

**g_archanasharma**16th December 2018, 6:18 PM

### JEE Plances - JEE (Main) - Mathematics

## Detailed solution for this.

**g_archanasharma**16th December 2018, 6:11 PM

### JEE Plances - JEE (Main) - Mathematics

## Detailed solution for this.

**g_archanasharma**16th December 2018, 6:09 PM

### JEE Plances - JEE (Main) - Mathematics

## Sir pls solve this question.

**rsudipto**15th December 2018, 6:13 PM

### JEE Plances - JEE (Main) - Mathematics

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

**rsudipto**15th December 2018, 8:55 AM

### JEE Plances - JEE (Main) - Mathematics

## Sir pls solve this question.

**rsudipto**14th December 2018, 9:52 AM

### JEE Plances - JEE (Main) - Mathematics

## Sir pls solve this question.

**rsudipto**14th December 2018, 9:51 AM