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Abhishek Singh 8 years, 3 months ago

Pradeep's only

2Thank You

Himanshi Vk 8 years, 3 months ago

I prefer SL ARORA for best results in 11th and 12th also because it covers the whole syllabus and alots of questions it has with NCERT solutions, exampler solution and many types of other questions.

4Thank You

ANSWER

Medium

Posted by Aryan Giri 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Which inertia act when current flow through wire

Posted by Jyoti Suntha 8 years, 3 months ago

CBSE > Class 11 > Physics

2 answers

Jyoti Suntha 8 years, 2 months ago

Explain

Diljit Singh 8 years, 3 months ago

Inertia of motion

ANSWER

Why weight of body can never be zero

Posted by Pranjal Srivastava 8 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Ankit Kumar 8 years, 3 months ago

Weight of body can be zero but mass can never be zero

ANSWER

What is the difference between G and g

Posted by Komal Rajpoot 4 years, 6 months ago

CBSE > Class 11 > Physics

1 answers

Sia ? 4 years, 6 months ago

ANSWER

M.L.T of current?

Posted by Chirag Bhardwaj 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Calculus method derivation

Posted by Shivam Vedant 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Prove that second law is real law by calculse method

Posted by Utkarsh Kaletha 8 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Utkarsh Kaletha 8 years, 3 months ago

Gaand

ANSWER

Abo

Posted by Priya Kumari 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

About which axis of a body is it's M.I the least

Posted by Priya Kumari 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is the relation between power and velocity?

Posted by Ayush Verma 8 years, 3 months ago

CBSE > Class 11 > Physics

2 answers

Chirag Bhardwaj 8 years, 3 months ago

V = pt.t/f

Rahul Poddar 8 years, 3 months ago

V=root (p.t/m) where p is power and v is velocity t is time

ANSWER

Define gravitational force

Posted by Sajjan Thood 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Define parallax method with suitable example

Posted by Aryan Giri 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Define parallax method with suitable of example

Posted by Aryan Giri 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

If a body takes t1 time to travel distance s1 and t2 time for next S distance . what is the average speed of the body

Posted by Nikhil Kumar Sahu 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Draw position time graph of two objects moving along a straight line, when their relative velocity is non zero

Posted by Jaskaran Gill 5 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Dervation of equation of motion S=UT+1/2at

Posted by Shaily Bhardwaj 8 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Vijay Arora 8 years, 3 months ago

v=ds/dt vdt=ds (u+at) dt=ds. ...... (using first eq. of motion) udt+atdt=ds √udt+√atdt=√ds. (√ means integration) u√dt+a√tdt=√ds ut+at square/2=s ut+1/2at square=s Hence, s=ut +1/2at square

ANSWER

Define all three law of motion briefly

Posted by Ritik Garg 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Elastic collision

Posted by Hemant Suman 8 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Vijay Arora 8 years, 3 months ago

It is the collision in which Kinetic energy and Momentum both remain conserved

ANSWER

How to calculate angle fron unit vectors

Posted by Adarsh Gupta 8 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Dhirendra Maurya 8 years, 3 months ago

We can calculate angle by divided dot product by its magnitud

ANSWER

Chapter 4 Exercise question 3

Posted by Arav Singh 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

On what factors does centre of mass depends ?

Posted by Khushi Jain 8 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Arav Singh 8 years, 3 months ago

Shape of the body

ANSWER

Prove work energy theorem?

Posted by Tanvi Dwivedi 8 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

David Singh 8 years, 3 months ago

As per the defination of work:-

dW = Fdx

{tex}\int {/tex}dW ={tex}\int {/tex}Fdx

W=m{tex}\int {/tex}{tex}\frac{dv}{dt}{/tex} *dx (as F=ma and a=dv/dt)

W=m{tex}\int {/tex}v dv (as dx/dt=v)

W=m({tex}\left.\frac{v^2}{2}\right|_u^v{/tex})

W= {tex}\frac{mv^2}{2} - \frac{mu^2}{2}{/tex}

W=KE{tex}f{/tex} - KE{tex}i{/tex}

W={tex}\Delta {/tex}KE

ANSWER

How to prepare for exam sa 1 class 11

Posted by Khushi Yadav 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

A stone is dropped from the top a tower it is found to travel 24.5 m in the last second before touching the ground. Find the height of the tower??

Posted by Paras Sharma 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What happens to the coefficient of friction if the mass of the body get doubles from its actual mass?

Posted by Paras Sharma 8 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Jilajeet Yadav 8 years, 3 months ago

Remains same

ANSWER

If the length of pendulum is increased by x% what is the error in time per day

Posted by Vivek Chaudhary 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Nothing

Posted by Vivek Chaudhary 8 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Prove a=ut plus 1/2atsquare by integration method

Posted by Akshay Yadav 8 years, 3 months ago

CBSE > Class 11 > Physics

2 answers

Rohit Pal 8 years, 3 months ago

(2) Second equation of motion: s = ut + 1/2 at^2 sol. Let the distance travelled by the body be “s”. We know that Distance = Average velocity X Time Also, Average velocity = (u+v)/2 .: Distance (t) = (u+v)/2 X t …….eq.(1) Again we know that: v = u + at substituting this value of “v” in eq.(2), we get s = (u+u+at)/2 x t =>s = (2u+at)/2 X t =>s = (2ut+at^2)/2 =>s = 2ut/2 + at^2/2 or s = ut +1/2 at^2 This is the 2nd equation of motion.

Shariq Ahmad 8 years, 3 months ago

Its not a=ut Its s=ut+½at²

ANSWER

Is the acceleration of a car greater than when the acceletar is pushed to the floor or when break pedal is pushed hand.

Posted by Himanshu Gwala 8 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Himanshu Gwala 8 years, 3 months ago

The acceleration of the car is greater when the brake pedal is pushed hard, because the car comes suddenly in rest i.e the rate of change of velocity of car is large in this case