PHYSICS QUESTION BANK FOR CLASS 12 MP BOARD [2021]

मस्कार दोस्तों स्वागत है आपका इस पोस्ट में आज हम आपके साथ प्रश्न बैंक शेयर करने वाले है , जैसा की आप सभी को पता है की बोर्ड ने अपनी ऑफिसियल वेबसाइट पर हिंदी में क्वेश्चन बैंक अपलोड किये है और इंग्लिश मध्यम के छात्रों को बहुत परेशानी आ रही है इसलिए हम आपको इंग्लिश में क्वेश्चन बैंक प्रोवाइड करा रहे है और आपको हमारी मेहनत पसंद आती है तो हमारे चैनल को सब्सक्राइब करे और हमारी वेबसाइट को जरूर फॉलो करे करे , कोई भी समस्या आने पर हमें कमेंट करके जरूर बताय। 

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CHAPTER-1

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Question no. : 1

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Explain the difference between the electric force and the force of gravity acting between two charged particles.

Question no. : 2


Write the law of coulomb and write the definition of unit charge based on this law.

Question no. : 3


The air has 2 X 10 -7 and  3 X 10 -7 charges on two small charged spheres placed at a distance of 30 cm from each other How much force is there between them ?

Question no. : 4


Explain the reason – why ?

     (i) Stable electric field lines are a continuous curve. Why ?    

     (ii) Two field lines never intersect each other. Why ? 

Question no. : 5


When the glass rods are rubbed with a piece of silk, both get charged. A similar phenomenon is observed in other pairs of objects. Explain how this observation is consistent with the law of charge conservation ?

Question no. : 6


An infinite linear charge generates 9 X 10 4 N / C electric field at distance of cm Find the linear charge density.

Question no. : 7


To rub a piece of wool on the richest 3 X 10 7 C of the charge on the charged was found.

    (a)     Estimate the number of electrons transferred (from which substance to which substance).

        Does the coating also transfer from wool to polyethylene ?

Question no. : 8


What is meant by intensity of electric field Write its SI quantitative and dimensional formula.

Question no. : 9


Find the expression of the intensity of the electric field due to the point charge.

Question no. : 10


Explain (i) conduction method and (ii) induction method of charging a conductor.


Question no. : 1


A black box on the page has been carefully measure the electric field indicates that the net flux through the box page 80 X 10 3 Nm 2 / C is.

    (a)    What is the net charge inside the box ?

    (b)    If the net outward flux from the page of the box is zero, would you conclude that there is no charge inside the box Why or why not ?  

Question no. : 2


 

Question no. : 3


 Find the expression of the intensity of the electric field at a point in the axial position due to an electric dipole.

Question no. : 4


Check to make sure that ke 2 / Gm p m e is uninsured. Find the value of this ratio by looking at the table of physical constants. What does this ratio mean ?

Question no. : 5


An electric dipole of 4 X 10 -9 Cm dipole moment is aligned at 30 0 from the direction of a single electric field of 5 X 10 4 NC -1 magnitude Calculate the magnitude of the force moment acting on the bipolar.

Question no. : 6


The electric flux is -1.0 X 10 3 Nm 2 / C on a spherical Gaussian surface of radius 10 cm drawn with that point as the center due to a point charge .

    (a)    If the radius of Gaussian page is doubled, how much flux will pass through the page ?

    (b)    What is the value of point charge ?

Question no. : 7


In a uniform electric field, establish the formula required for the bipolar moment to occur on an electric dipole. Explain the dipole moment with its help.

Question no. : 8


Write Gauss’s theorem and incorporate Coulomb’s inverse class rule.

Question no. : 9


What is meant by potential energy of electric dipole A similar situation in the power sector while the dipole axis direction of the field from the angle θ makes in the potential energy, get the expression.


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दोस्तों कमेंट करके जरूर बताय की आपको फिजिक्स के क्वेश्चन बैंक पसंद आय की नहीं।  सभी सब्जेक्ट के क्वेश्चन बैंक के पीडीऍफ़ आपको हमारी वेबसाइट पर देखने को मिलेंगे तो जल्दी से जल्दी डाउनलोड करे। हमारी वेबसाइट को जरूर फॉलो करे ताकि कोई भी लेटेस्ट अपडेट आने पर सबसे पहले आप को मिलता रहे धन्यबाद 

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