CBSE > Class 12 > Physics | CBSE Board | Homework Help

Kaisa confident pure saal kuch nahi padha ?now I'm feeling bad.... Loneliness and fear of physics ?not a single person around me is asking about me ? ekla hu kati

0Thank You

Debleena Bose 7 years, 6 months ago

R e apne ap PE confident ho..

Bas SB thik jayega...tention mat le

0Thank You

Namamee Shukla 7 years, 6 months ago

Believe in yourself everything will be fine

1Thank You

ANSWER

Ac generator working and principal

Posted by Maku Pikhu 7 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Debleena Bose 7 years, 6 months ago

Read from ncert...

0Thank You

ANSWER

Best of luck for your physics exam...?????????????

Posted by Milan Panda 7 years, 6 months ago

CBSE > Class 12 > Physics

2 answers

Rahul Agrawal 7 years, 6 months ago

S2u

2Thank You

Namamee Shukla 7 years, 6 months ago

S2u

2Thank You

ANSWER

A radioactive isotopes has a half life of T years. How long will it take for the activity to reduce to 3.125%?

Posted by Paras Tripathi 7 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Debleena Bose 7 years, 6 months ago

R e ye to ncert ka question hya

1Thank You

ANSWER

semiconductors obey Ohm's law at only low field why

Posted by Ayushi Tiwari 7 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Àyùsh Çhàùdhãry 5 years, 7 months ago

This happens because at low temperature, the "p" and "n" type semiconductor resist the flow of electrons through them and then act as resistances, but when the temperature is increased the flow of electrons is Hindered.

0Thank You

ANSWER

What happen if not grt pass in one sub

Posted by Rajesh Soni 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Draw and explain astronomical telescope with derivation

Posted by Ankit Dey 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Why r Si and GaAs preferred material for solar cells ??

Posted by Ayushi Tiwari 7 years, 6 months ago

CBSE > Class 12 > Physics

4 answers

Ayushi Tiwari 7 years, 6 months ago

Thnx ayushi

0Thank You

Radhika Tyagi 7 years, 6 months ago

S2u

1Thank You

Namamee Shukla 7 years, 6 months ago

All the best ayushi

4Thank You

Radhika Tyagi 7 years, 6 months ago

They hv low threshold electron potential (low energy gap)

1Thank You

ANSWER

Can I start from section e does it creates any bad impression upon examiner

Posted by Nilesh Raj 7 years, 6 months ago

CBSE > Class 12 > Physics

2 answers

Debleena Bose 7 years, 6 months ago

Ya u can

0Thank You

Ishita Gaur 7 years, 6 months ago

May be if u know it well it can help ya ...

0Thank You

ANSWER

Physics ki tyari ho gyi kya

Posted by Unique Person Arupitw 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Suno sab log jo bhi block ho chuke hai wo is app ko dobara se dusre no. Se install kre??

Posted by Unique Person Arupitw 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Photoelectric eff ect

Posted by Shelly Garg 7 years, 6 months ago

CBSE > Class 12 > Physics

2 answers

Cool Dude 7 years, 6 months ago

The phenomena of ejection of an electron when light of suitable frequency falls on the metal surface is known as Photoelectric effect.

0Thank You

Jin Kazama 7 years, 6 months ago

Hai syllabus m ???

0Thank You

ANSWER

BHAI KOI HELP KR DO YR PLZ???

Posted by Max Ten 7 years, 6 months ago

CBSE > Class 12 > Physics

2 answers

Debleena Bose 7 years, 6 months ago

Kya???

1Thank You

Jin Kazama 7 years, 6 months ago

Bol ???

2Thank You

ANSWER

Define drift velocity and drive an expression for it

Posted by Lori Peace 7 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Cool Dude 7 years, 6 months ago

It is the velocity acquired by the electrons opposite to that of electric field in a conductor. V = u + at U=0, a=eE/m, Therefore, V(d) = eEt/m

1Thank You

ANSWER

What is the significance of quality factor in lcr circuit

Posted by Debleena Bose 7 years, 6 months ago

CBSE > Class 12 > Physics

2 answers

Debleena Bose 7 years, 6 months ago

Thanks ....

0Thank You

Yuthika Yadav 7 years, 6 months ago

Gives sharpness of circuit

5Thank You

ANSWER

In an account circuit is applied instantaneous voltage equal to the algebric sum of instantaneous voltage across series element of circuit

Posted by Yuthika Yadav 7 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Cool Dude 7 years, 6 months ago

Please clarify.

0Thank You

ANSWER

Hi everyone

Posted by Unique Person Arupitw 7 years, 6 months ago

CBSE > Class 12 > Physics

10 answers

Jin Kazama 7 years, 6 months ago

Block hoge or kya ???

0Thank You

Unique Person Arupitw 7 years, 6 months ago

Or sab kha gye

1Thank You

Jin Kazama 7 years, 6 months ago

Suker h tum sub n bata diya wrna apun to ate hi damaka rne wala tha ???

0Thank You

Jin Kazama 7 years, 6 months ago

Tabhi Feb m apun ques. ans. post nhi kr pa rha tha ???

0Thank You

Unique Person Arupitw 7 years, 6 months ago

Are kuch nahi kaafi baar block kr chuke ye log but Uninstall kro fir se download kro with other no. That's all??

1Thank You

Jin Kazama 7 years, 6 months ago

Kb tak chalega esa ???

0Thank You

Jin Kazama 7 years, 6 months ago

How ???

0Thank You

Unique Person Arupitw 7 years, 6 months ago

But I come back again

0Thank You

Unique Person Arupitw 7 years, 6 months ago

I also blocked yaar

0Thank You

Jin Kazama 7 years, 6 months ago

Bhai block hona hai kya ???

1Thank You

ANSWER

Wavelength range of line spectrum

Posted by Ann S 7 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Cool Dude 7 years, 6 months ago

10 ^-14 to 10^4 m

0Thank You

ANSWER

The vertical components of earth magnetic field is 1/√3 times the horizontal component . What is the value of angle of dip

Posted by Paras Tripathi 7 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Cool Dude 7 years, 6 months ago

Pi/3

1Thank You

ANSWER

Why is MRI expensive?

Posted by G Jagdish Chouhan 7 years, 6 months ago

CBSE > Class 12 > Physics

3 answers

Debleena Bose 7 years, 6 months ago

What do u maen to say???

0Thank You

Jin Kazama 7 years, 6 months ago

Ye*

0Thank You

Jin Kazama 7 years, 6 months ago

UE MRI kya hai ???

1Thank You

ANSWER

Why can we not use an ordinary resistor instead of choke coil

Posted by Fahrukh Ahmed 7 years, 6 months ago

CBSE > Class 12 > Physics

2 answers

Madiha Faraz 7 years, 6 months ago

Bcoz choke coil is used to reduce the current

0Thank You

Jin Kazama 7 years, 6 months ago

Choke coil syllabus m nhi hai ???

2Thank You

ANSWER

Physics m passing mark kitne hote h 70 m se aur grade system hut gya h kya???????

Posted by Prinsy Gariya 7 years, 6 months ago

CBSE > Class 12 > Physics

2 answers

Radhika Tyagi 7 years, 6 months ago

23 chahiye.... Grade system ni h...... Itni jldi kyu puch rhe ho

1Thank You

Rishab Sharma 7 years, 6 months ago

Grade system to hai i think but percentage b btayi jayegi saath me aur marks b .... 25 is the passing marks

1Thank You

ANSWER

Yar koi nhi hai kya frnds ?????

Posted by Jin Kazama 7 years, 6 months ago

CBSE > Class 12 > Physics

10 answers

Jin Kazama 7 years, 6 months ago

Ye system KB tuk chalega ???

0Thank You

Yuthika Yadav 7 years, 6 months ago

Ohh. ???

0Thank You

Radhika Tyagi 7 years, 6 months ago

I n namami wr chatting n sdnly we wr blocked.... We all changed our no's n then came back

1Thank You

Yuthika Yadav 7 years, 6 months ago

How do u knw nd what's gonna happen by that ayushi

0Thank You

Radhika Tyagi 7 years, 6 months ago

????

1Thank You

Jin Kazama 7 years, 6 months ago

Good by all my frnds ??????

0Thank You

Radhika Tyagi 7 years, 6 months ago

Pta ni report kr di kisi ne?

0Thank You

Jin Kazama 7 years, 6 months ago

Kyu ???

0Thank You

Jin Kazama 7 years, 6 months ago

??????????

0Thank You

Radhika Tyagi 7 years, 6 months ago

Sry jin bt chatting allowed ni h ab yha pe

0Thank You

ANSWER

Kya paper sample paper main se aata hain 12th board main??

Posted by D P 7 years, 6 months ago

CBSE > Class 12 > Physics

2 answers

Jin Kazama 7 years, 6 months ago

Paper banane vale ki mrji ???

0Thank You

Abcd Abcd 7 years, 6 months ago

No...not necessary

1Thank You

ANSWER

Above 35 marks lane ke liye kon kon se chapter important hain? 12board main..

Posted by D P 7 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Jin Kazama 7 years, 6 months ago

5,6,7,9,10 ??? enough hai

0Thank You

ANSWER

Abe kha mr gye sub ???

Posted by Jin Kazama 7 years, 6 months ago

CBSE > Class 12 > Physics

3 answers

Jin Kazama 7 years, 6 months ago

Bdi mahnt se dik kiya hai ???

0Thank You

Jin Kazama 7 years, 6 months ago

Apun ka to pura bio data change kr diya is app ne ???

0Thank You

Blocked Luv♡ 7 years, 6 months ago

bhai cbse wale sab ko 7 din ke liye block kar rhe hai ??10 th mai bhi sab Block ho gye ?

0Thank You

ANSWER

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