# CBSE Class 12 Physics Previous Year Board Papers Download With Solutions

CBSE 12th Physics Previous year Question Papers are the best source to study and prepare for the exam. CBSE board 12th class papers for Physics will contain all the questions from NCERT syllabus. Physics includes the questions from all kinds of sections. So, prepare well for the exam. Below are the some questions which are being asked in the CBSE exam in earlier years. A full set of CBSE Physics 12th Previous papers is given below, following which the preparations can be done in more better way for the exam.

Ques1: Magnetic field lines can be entirely confined within the core of toroid, but not within a straight solenoid. Why?

Ques2: A cell of emf ‘E’ and internal resistance ‘r’ is connected across a variable resistor ‘R’. Plot a graph showing the variation of terminal potential ‘V’ with resistance R. Predict from graph the condition under which ‘V’ becomes equal to ‘E’.

Ques3: Why are high frequency carrier waves used for transmission?

OR

What is meant by term modulation? Draw a block diagram of simple modulator for obtaining an AM signal.

Ques4: a) Define self- inductance. Write its S.I. unit?

b) Derive an expression for self- inductance of a long solenoid of length l, cross sectional area A and N number of turns

Ques5: Derive the expression for force per unit length between 2 long straight parallel current carrying conductors. Hence define one ampere.

OR

Explain the principle and working of cyclotron with help of schematic diagram. Write expression for cyclotron frequency.

Ques6: a) Why does the electric field inside a dielectric decrease wen it is placed in an external electric field

b) A parallel plate capacitor with air between the plates has a capacitance of 8 PF. What will be capacitance if distance between plates he reduced by half and space between them is filled with a substance of dielectric constant K=6?

 2005 2007 Set 1 2007 Set 2 2007 Set 3 2009 2010 2011 Set 1 2011 Set 2 2011 Set 3 2012 Set 1 2012 Set 2 2012 Set 3 2013 2014 Set 1 2014 Set 2 2014 Set 3

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1. alfaz says:

Best questions…Thank You sir

2. akshay shama says:

i need solutions of these question papers too

1. Hi Akshay,
You will find the solutions soon, meanwhile please continue the questions.

2. Asif Khan says:

i also need solutions of all sets

3. cbse 10 result says:

I feel thhat is one of thee so much significant information forr me.
And i am satisied studying your article.

4. Asif Khan says:

i also need solutions of all sets

thanks

6. anjali says:

Hi it’s Anjali

It’s a gud question paper for it help me a lot…..😄😄

Thanks sir

sir i want solution of these papers

8. rekha says:

inke solution khna milenge

9. satyam kumar says:

Sir ye sab question se kitna help milega kitna percent aaye ga agar sab question kar liye toe accha se board exam me

1. Hi Satyam,