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Biot savrt law in vector form

Posted by Anshul Jaat 8 years ago

CBSE > Class 12 > Physics

1 answers

Anjali Sarnaik 8 years ago

dB=[KIdlr^]/|r|^2

ANSWER

Reason why theory of light is not able to explain the observed features of photoelectric effect

Posted by Anay Patidar 8 years ago

CBSE > Class 12 > Physics

2 answers

Anay Patidar 8 years ago

And third one

Akash Agarwal 8 years ago

KE is independent of intensity. N photo emission is sponteneous process

ANSWER

I m getting 75% now ...how to get 90+% in 3 days

Posted by Mmmmmmmmmmmmmmmmmmmm Wwwwwwwwwwwwwwwwwwww 8 years ago

CBSE > Class 12 > Physics

5 answers

Ishu Chouhan 8 years ago

If u don't mind ek bat bolu

Ishu Chouhan 8 years ago

Just try and best of luck

Ishu Chouhan 8 years ago

You can do.....

Aayisha Azeez 8 years ago

Work hard u will definitely get 90+.All the best

Harshit Tewari 8 years ago

I don't think u can achieve 90% in just 3 days. By the way good luck and work hard to score 80-85%

ANSWER

Vande graff generator device working principle and diagram

Posted by Sumedha Bhatia 8 years ago

CBSE > Class 12 > Physics

1 answers

Harshit Tewari 8 years ago

Van de graaff toh h hi nhi syllabus mei. cbse walon ko nhi padhna h van de graaff

ANSWER

numerical problem

Posted by Lokesh Gautam 8 years ago

CBSE > Class 12 > Physics

2 answers

Harshit Tewari 8 years ago

Bhai mujhe toh ye hi nhi pata chall pata ki questions mei formula konsa lagega. Samajh hi nhi aatey numericals

Ishu Chouhan 8 years ago

Sabko problem h numericals me ,almost.....

ANSWER

The potential difference applied across a given resistor is altered so that the heat produced per second increases by a factor of 9 . By what factor does the applied potential difference changes?

Posted by Nidhi Goel 8 years ago

CBSE > Class 12 > Physics

1 answers

Sachin Negi 8 years ago

V'=3V

ANSWER

A wheel with 8 metallic

Posted by Anumol Gigi 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Draw the ray diagram for the formation of the image of an object by a convex mirror and use it to derive the mirror formula

Posted by Jeeva R 8 years ago

CBSE > Class 12 > Physics

2 answers

Ishu Chouhan 8 years ago

Clearly its given in ncert

Ishu Chouhan 8 years ago

It's better to refer ncert as we can't draw diagram over here

ANSWER

Imp question and topic of part 2

Posted by Janvi Singh 8 years ago

CBSE > Class 12 > Physics

1 answers

Harshit Tewari 8 years ago

Part 2 whole optics is important so learn it thoroughly its very important

ANSWER

Imp question and topic in part 2

Posted by Janvi Singh 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Is magnetic flux vector or scalar?

Posted by Suman Raju 8 years ago

CBSE > Class 12 > Physics

2 answers

Ishu Chouhan 8 years ago

Scalar

Jin Kazama 8 years ago

Dot product hai to scalar hi hogi ???

ANSWER

Magnetic field of a circular coin on the axies

Posted by Anshul Jaat 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

How to pass in 3 days in physics

Posted by Ankit Baghel 8 years ago

CBSE > Class 12 > Physics

9 answers

Harshit Tewari 8 years ago

Arrey bhai tera bhi mere jaisa haal h main bhi pass hone k liye pareshan ho rha hu bohot bura haal h physics mei. L lage hue h

Ishu Chouhan 8 years ago

Dekho physics k liye me ye nhi kahugi ki sirf exercise questions karo

Ishu Chouhan 8 years ago

And en 8 ghanto me 4 chapters finish karna hoga

Ishu Chouhan 8 years ago

Make strategy ki aap 8 hour physics aur 4 hour eng padoge

Ishu Chouhan 8 years ago

Agar kuch part pad Liya h to it is possible

Ishu Chouhan 8 years ago

Dekho agar aapne sal bhar nhi pada to

Tejas Patil 8 years ago

Read bbq & exercise+ laws

Ishu Chouhan 8 years ago

It is next to impossible

Jin Kazama 8 years ago

Yuje duva kr jarurat hai ???

ANSWER

Yr physics de numerical kede important aaaa

Posted by Manpreet Aulakh Aulakh 8 years ago

CBSE > Class 12 > Physics

10 answers

Jass Mangla 8 years ago

2nd chapter cho dekhlo te gates aale tanh surely aande hunde ae

Harshit Tewari 8 years ago

Bhai numericals mei toh mujhe ye hi pata nhi chalta ki formula konsa lagana h

Mmmmmmmmmmmmmmmmmmmm Wwwwwwwwwwwwwwwwwwww 8 years ago

Is this correct?

Mmmmmmmmmmmmmmmmmmmm Wwwwwwwwwwwwwwwwwwww 8 years ago

Ee gabru sadde fail ho jaendi....

Harshit Tiwari H 8 years ago

Meri gal sun NCERT de numerical try ke le

Ishu Chouhan 8 years ago

And u can do.... Just try once

Ishu Chouhan 8 years ago

Because formulas k bhi marks milte h

Ishu Chouhan 8 years ago

Tension mat karo agar kuch bhi ni aaye numericals me to sirf formula likh kar aa jana

Tejas Patil 8 years ago

Bohot

Radhika Tyagi 8 years ago

Sirf 15 no

ANSWER

Is transistor as a switch is in syllabus

Posted by Ronak Ruhal 8 years ago

CBSE > Class 12 > Physics

4 answers

Anjali Sarnaik 8 years ago

No

Rhitika Rai 8 years ago

Transistor as a switch is not in our syllabus

Radhika Tyagi 8 years ago

No not at all

Saksham Sawarna 8 years ago

Yes

ANSWER

Twin parallax effect kya hai

Posted by Harshit Tiwari H 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Write the vector form of Coulomb's law ,mention its principal & condition . How its vector form is used in superposition principle.

Posted by Jyoti Saw 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

A bar magnet M is dropped so that it falls vertically through the coil C Obtain the graph for voltage produced across the coil versus time. Explain the graph.

Posted by Aditya Upadhyay 8 years ago

CBSE > Class 12 > Physics

1 answers

Jin Kazama 8 years ago

Kon sa graph guru dev ???

ANSWER

Two wires of nichrome and copper of same length and same radius are connected in series , which one will get heated up 1st and why ??? !!!

Posted by Jin Kazama 8 years ago

CBSE > Class 12 > Physics

4 answers

Harshit Tewari 8 years ago

Nichrome wire because it has higher resistivity than Cooper wire and resistance will be more than heat produce will also be more. Nichrome offers higher resistance than copper.

Radhika Tyagi 8 years ago

Ni yuthika nichrome ki resistivity zyada hoti h.... Vo pehle heat hoga

Jin Kazama 8 years ago

How

Yuthika Yadav 8 years ago

Copper kyuki uski resistivity jyada hoti hai

ANSWER

What's the value of sin(wt+ theta) and sin(wt-theta)

Posted by Yuthika Yadav 8 years ago

CBSE > Class 12 > Physics

2 answers

Anjali Sarnaik 8 years ago

Sin(wt+theta)=sin(wt)cos(theta) +cos(wt)sin(theta) Cos(wt+theta)=cos(wt)cos(theta)-sin(wt)sin(theta)

Radhika Tyagi 8 years ago

Yuthika u hv bio or math

ANSWER

Can you give me last year physics CBSE 2017 board paper?

Posted by Darshil Shah 8 years ago

CBSE > Class 12 > Physics

3 answers

Radhika Tyagi 8 years ago

Best option is oyexams app... It has all the question pprs solved

Jin Kazama 8 years ago

install CBSE solved question paper from play store , it consist of last 10 yrs paper ???

Ishu Chouhan 8 years ago

You can download PDF from Google

ANSWER

What is the expression for drift velocity

Posted by Afrah Sidhick 8 years ago

CBSE > Class 12 > Physics

1 answers

Ishu Chouhan 8 years ago

Vd= eE tau/m

ANSWER

What is Huygens principle

Posted by Saurabh Sharma 8 years ago

CBSE > Class 12 > Physics

4 answers

Ishu Chouhan 8 years ago

Sorrry

Ishu Chouhan 8 years ago

Oh yes

Jin Kazama 8 years ago

And tangent drawn at these secondary wavelets act as secondary wave front . these are 2 principles not just that one ???

Ishu Chouhan 8 years ago

Every point on a given wave front is a source of disturbance and produce secondary wavelets, travel with speed of light in same phase of vibration.

ANSWER

An object is placed 15cm in front of convex lens L1 of focal length 20cm and the final image is formed at a distance of 80cm from the second lens L2

Posted by Uday Choudhary 8 years ago

CBSE > Class 12 > Physics

1 answers

Madhav Rathod 8 years ago

Just remember the image of 1 lens will acts as object for 2 lens. Now try to solve.

ANSWER

Value of electrona

Posted by Rohit Singh 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What do u think about physics paper easy rhega ki hard

Posted by Hina Siddiqui 8 years ago

CBSE > Class 12 > Physics

2 answers

Ishu Chouhan 8 years ago

Its all depends on ur paper presentation

Krishnam Maheshwari 8 years ago

Ovio easy rhega....waise bhi phy is nothng much...its easy to handle...just u need ur common sense buddy....nd everyone should be careful before writng the paper ...dont just fill the paper by ur lousy answers

ANSWER

What should i study in chapter-8?

Posted by Gill P 8 years ago

CBSE > Class 12 > Physics

2 answers

Gill P 8 years ago

Yes

Muskaan Gugnani 8 years ago

Atom nd nuclie???

ANSWER

Findtherelationbetweenthethreewavelenghts

Posted by Ashok Saw 8 years ago

CBSE > Class 12 > Physics

1 answers

Radhika Tyagi 8 years ago

Yrr tum log space kyu ni dete??? ???

ANSWER

Applications of x ray

Posted by Rizwan Ansari 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Matter -soild

Posted by Darshan Kumar 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

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