# Q&A - Ask Doubts and Get Answers

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Medical
2 days, 3 hours ago

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P Parul
Answered 2 hours, 44 minutes ago
No, you need to carry the original hardcopy of any of your photo identity proof.
Medical
2 weeks, 3 days ago

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T Test
Answered 2 weeks, 2 days ago

Please explain in detail

Medical
2 weeks, 3 days ago

(1)

It is scalar quantity

(2)

Value of mass not depends on gravity

(3)

mass of a body is given by  here symbol have their usual meaning.

(4)

mass can never be zero.

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A Abhishek Sahu
Answered 2 weeks, 3 days ago
Option (3) is correct.  Because the "" here is relativistic mass and  is rest mass.This equation tells about the relativistic mass change when an object travels at a very high speed. Hence this is incorrect about the mass.  Also mass is a scalar quantity and it can not be zero, because according to law f conservation od mass, Mass can neither be created nor destroyed.
Medical
2 weeks, 4 days ago

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A Abhishek Sahu
Answered 2 weeks, 3 days ago
Average total Energy density,
Medical
3 weeks, 2 days ago

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A Abhishek Sahu
Answered 3 weeks, 2 days ago
Lets first write the masses of electron, proton, and neutrons mass of electron =  Mass of neutron and proton, =  Now you can see that mass of neutron or proton is 10000 times the mass of the electron and we know that the nuclei of an atom comprises of neutron and proton.  To answer the question that whether the mass of atom will change or not, Yes it will be changed but it will not be...
Medical
3 weeks, 3 days ago

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P Parul
Answered 3 weeks, 1 day ago
Hi Mukesh, The minimum marks required to qualify the JIPMER 2019 exam are: For General Category and EWS Category, it is 50 percentile For SC/ST/OBC Category, it is 40 percentile For UR-OPH category, it is 45 percentile Candidates who score marks less than the minimum required percentile will not be considered qualified and will further become ineligible for the counseling process.
Medical
3 weeks, 3 days ago
A cable that can support a load w is cut into two equal parts. find maximum load that can be supported by either part of wire is

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S safeer
Answered 3 weeks, 3 days ago
load supported by the cable is directly proportional to the breaking stress. Breaking stress = F / A  F is the force and A is the cross-sectional area. As we see that the breaking stress is independent of the length of the cable. So, if the cable is cut in two equal parts, the maximum load that can be supported by either parts of the cable remain the same as before.
Medical
3 weeks, 3 days ago

A particle moves with simple harmonic motion in a straight line. In first τ s, after starting from rest it travels a distance a, and in next τ s it travels 2a in same direction then:-

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A Abhishek Sahu
Answered 3 weeks, 2 days ago
Hello student! Please ask the complete question. It is incomplete.
Medical
3 weeks, 3 days ago

Convex lens is put 10 cm from a light source and it makes a sharp image on a screen, kept 10 cm from the lens. Now a glass block (refractive index1.5) of 1.5 cm thickness is placed in contact with the light source. To get the sharp image again, the screen is shifted by a distance d. Then d is:-

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A Abhishek Sahu
Answered 3 weeks, 2 days ago
Refraction through parallel slab -   - wherein   shifting of object from slab  thickness of slab  Refractive Index of slab. F =  = 5 cm Due to glass plate shift s = t  = 1.5  = 0.5 New u =9.5 cm Using lens formula =  v = 10.55 cm Shift  is 0.55 cm away from the lens.
Medical
3 weeks, 4 days ago

ten sec

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A Abhishek Sahu
Answered 3 weeks, 2 days ago
Given,  As the initial angular velocity is zero. Hence we can calculate  the angle rotated in first 10 seconds by,  Number of revolutions,
Medical
3 weeks, 5 days ago

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A Abhishek Sahu
Answered 3 weeks, 2 days ago
Energy stored in capacitor,  Increase in energy,
Medical
1 month ago

LIKE IP

AFMC VMC BHU ETC

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P Parul
Answered 3 weeks, 4 days ago
Hi Nimisha, If you are looking for Govt. colleges, then you don't have to apply separately. If you qualify for All India Quota Seats, you will be called for counselling where you can choose the colleges.
Medical
1 month ago

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A Abhishek Sahu
Answered 1 month ago
Given,
Medical
1 month ago

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A Abhishek Sahu
Answered 1 month ago
Here we have the FBD of the block on the wedge. By the figure,
Medical
1 month ago

10esu=?dyn

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A Abhishek Sahu
Answered 1 month ago
esu is the unit of Charge whereas dyne is the unit of Force
Medical
1 month, 1 week ago

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P Parul Shrivastava
Answered 1 month ago
Hello, You are our paid user so you can go through the Booster and kadha section. For chapter-wise weightage kindly go through the link https://www.entrance360.com/neet-syllabus/
Medical
1 month, 1 week ago

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P Parul Shrivastava
Answered 1 month ago
Hello, Could you please let us know which video are you asking for?
Medical
1 month, 1 week ago
Screenshot_20190313-151944.png 2 nd 2. Find instantaneous direction of force In following cases

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S safeer
Answered 1 month, 1 week ago
Force is in the direction of VxB V is velovity and B is magnetic field
Medical
1 month, 1 week ago

The x and y coordinates of the particle at any time are x = 5t - 2t2 and y = 10t respectively, where x and y are in meters and t in seconds. The acceleration of the particle at t = 2s is

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S safeer
Answered 1 month, 1 week ago
dx/dt =Vx and dy/dt = Vy a = dV/dt in x dirextion a = -4 m/s^2 and in y direction a =0
Medical
1 month, 1 week ago

The input signal given to a CE amplifier having a voltage gain of 150 is
$V_{i} = 2\cos \left ( 15\:t+\frac{\pi }{3} \right )$. The corresponding output signal will be :

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S safeer
Answered 1 month, 1 week ago
Input signal of a CE amplifier,  Voltage gain = 150 As CE amplifier give phase difference of  between input and output signals, so
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