Re: MP Board Bhopal 12th Model Paper
1. Choose the correct answer from given options:
i) Electric field intensity on moving from the surface charge metallic sphere
towards centre -
(a) Increases b) Decreases
c) Remain same to the surface d) Remain zero to each point
ii) Resistivity of wire depends on -
a) Its length b) Its area of cros section
c) Its shape d) Its material
iii) Which wave travels with the speed of light
a) Sound wave b) Heat wave
c) Shock wave d) Microwave
iv) The bonding ina germanium crystal is
a) Metallic b) Ionic
c) Wanderwall’s d) Covalent bond
v) Laser beam contains
(a) Proton b) Electron
c) Photon Compelling coherent d) Neutron
Fill in the blanks 5 marks
(a) Electric flux is a ....................... physical quantity
(b) Wire of potentiometer having mterial..............
(c) Intensity of wave is proportional to .................
(d) When NAND gate is added with AND gate the gate formed is ..............
(e) Frequency range of audio signal ......................
Match the pairs correctly-
1. Microwave (a) Kirchoff’s
2. Current distribution (b) Communication
3. Zeber Diode (c) Total Internal reflection
4. Optical Fiber (d) Hertz
5. Photoelectric effect (e) Control voltage
(f) Photo diode
Write whether the following statements are true or false.
(a) Electric current is a scalar quantity.
(b) In CGS system capacity of a spherical conductor is equal to its radius.
(c) At equatorial line value is angle of dipis is 900.
(d) In the propogation of long distance short wave bend
(e) Fax is used for data transfer.
Explain the principle of Wheatstone bridge and write its condition for
What is potentiometer/ Explain the principle of Potentiometer with the
help of circuit diagram.
Obtain an expression for magnetic field at the centre of n-terms circular
coil carrying current.
Obtain an expression for the resultant magnetic field at any point situated
at equal distance from both of the bar magnet.
What is the Principle of choke coil, why is current passing through a
choke coil known as wattles current.
In young’s double slit experiment, the screen is 1.5m away from the sli.
The light of wavelength 6000A0 gives the fringe width 1mm.. Find the
distance between the slit.
Al India Radio Bhopal transmit on programe frequency 981 KHz. Find
What is angle of minimum deviation. Prove that ) 1 ( A m for the
prism where the symbols have usual meaning.
A convex len’s of focal length 20cm. is kept in contact with a concave
len’s of focal length 25cm. find the focal length.
Define following terms
i) Thermonic emission
iv) Work function
v) Matler waves.
Establish Eienstein’s Photo electric equation.
What is Modem ?Rewrite its type and characteristics.
What is LED?Discuss its working principle.
State Gauss theorem? And use it to derive coulomb’s inverse square law.
Prove that two charge conductors are joint by a wire there always a loss
of energy.Where does this energy go.
Explain compound microscope on the basis of the following points.
1. Ray digram for the formation of image.
2. Expression for magnifying power when the final image is formed
a- at the least distance of distinct vision
b- at infinity
Exlain Astronomical Telescope on the basis of the following points
1. Ray diagram for the formation of image
2. Expression for magnifying power when the final image is form.
a. at the least distance of distinct vision
b. at infinity
a) What are and parameter ? Obtained a relation between them.
b) Explain the depletion layer in P-N junction diode.
What is Oscillator ? Describe its necessity, principle and circuit diagram
of N-P-N transistor is used as an Oscillator.
In A.C. L-C-R circuit, determine the following
a) Resultant voltage
Explain an A.C. Dynamo on following points
a) Labelled diagram
Fill in the blanks
(a) Those substance in which atom, molecule and ions has all paired electron are called ______________________
(b) In lead storage cell the used cathode and anode are of ___________ metal
(c) The surface tersion of lyophillic colloid _______________________
(d) The metal with maximum density in transitional metal is _________
(e) The chemical name of Hinsberg reagent is ____________________
Write the answer in one sentence
(a) Write radial ratio in Tetra headral crystal.
(b) What is unit of first order reaction?
(c) The cleansing action of soap is based on which principle.
(d) Malachite is ore of which metal?
(e) In end product of which reaction has one less carbon atom in carbon chain.
Diamond is an example of which type of crystalline solid
(i) Ionic Crystal (ii) Covalent Crystal
(iii) Metallic Crystal (iv) Molecular Crystal
In the reaction is
(i) Auto Catalyst (ii) Poison
(iii) Promoters (iv) Positive Catalyst
The Molarity of Purewater is -
(i) 55.6 (ii) 50
(iii) 100 (iv) 18
The most electronegative element is
(i) F (ii) Cl (iii) Br (iv) I
Answered By StudyChaCha Member
|Other Discussions related to this topic|
|12th MP Board Commerce Model Papers|
|HP board question paper 12th|
|gujarat board question paper 12th commerce|
|MP Board Model Paper Class 12th|
|UP Board question paper 12th|
|UP Board Model Paper 12th|
|model papers of 12th raipur C.G. board of all subject in hindi medium?|
|UP Board Guess Paper 12th|
|UP Board Model Paper|
|UP Board Class 12th Maths Question Paper|
|U.P. Board Exam model paper|
|model papers for class 12th of Jammu and Kashmir State Board?|
|UP Board Model Paper Intermediate|
|MP Board Guess Paper of Class 12th|
|model paper for 12th class commerce|
|CGBSE model paper of class 12th?|
|CBSE 12th Board Physics paper|
|Model papers of urdu in 12th UP board|
|MP board 12th mathematics paper|
|Gujarat 12th Science Model MCQ Paper of 1st-3rd sem PDF|
| Have a Facebook Account? Ask your Question Here|