Physics – Important Questions Bank for Uttarakhand Board (UBSE) HSC 2016 Examination

Physics– Important Questions Bank for Uttarakhand Board HSC 2016 Examination


We had mentioned some tips for cracking the HSC Uttarakhand Board exam here: HSC Study Tips to Crack HSC Exams.

We had also shared Important Questions Bank for HSC Examination 2016   and students have really appreciated it and showered us with love last year.

Today, we are posting the Physics – Important Questions Bank for Uttarakhand Board HSC 2016 Examination to make life easy for all you HSC students.

Without making you wait any further, please find the questions below:

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PHYSICS (Theory)

    1. What do you understand by current sensitivity of a moving coil galvanometer ? With the help of a circuit diagram, show how a moving coil galvanometer can be converted into a voltmeter of given range’ Write necessary mathematical formula. What is the resistance of an ideal voltmeter ?
    2. What are different elements of earth’s magnetic field ? State relation between them.
    3. Establish the formula for current in series combination and parallel combination of cells and find the favourable condition for each combination.
    4. In Hydrogen atom electron is moving in a circular orbit of radius 5.3 x 10-11 m with speed 2.3 x 10 4  m/s. Find the magnetic moment of electron’s rotation.
    5. Focal length of an astronomical telescope’s objective and eye lens are 2.0 m and 0.05 m respectively. Find magnifying power of telescope if last image is formed at least distance of distinct vision” Find the nature of image also.
    6. Explain the difference between polarised and unpolarised light. What is Malus’s law ?
    7. What are different elements of earth’s magnetic field ? State relation between them.
    8. Define modulation index for an amplitude modulated wave. For an amplitude modulated wave, the maximum amplitude is found to be 10 V while the minimum amplitude is found to be 2 V. Determine the modulation index µ.
    9. Draw V-I characteristics of Zener diode with circuit diagram and explain its working.
    10. A drop whose mass is 4.8 x 10 -10 gm   having charge  2.4 x 10 -28 C  is kept in equilibrium between two horizontal charged plates. The seperation between plates is 1.0 cm. Find potential difference between plates.
    11. A cell is having emf 2 volt and internal resistance 2Ω it is connected with a voltmeter of resistance 988Ω  then find the percentage error in the reading of voltmeter.
    12. A circular coil of diameter 0.2 m is having 1000 turns of wire. Current of 0.1 amp is flowing through it. Find magnetic fiend at the center of coil’
    13. A coil draw current of 1.0 amp. and 100 watt power from an A.C. source of 110 volt and 50 Hz frequency. Find the resistance and inductance of coil’
    14. A stepdown transformer converts transmission line voltage from 2200 volt to 220 volt’ primary coil is having 5000 turns. Efficiency of transformer is 90% and output power is 8 kilowatt. Find the input power and number of turns in secondary coil’
    15. Find expression for coefficient of self induction for a solenoid.
    16. Write four properties of electromagnetic waves.
    17. Find the expression for combined focal length of two thin lenses in contact.
    18. Give block diagram of basic elements of a communication system and mention briefly function of each element
    19. Define electric dipole moment and find an expression for the potential energy of electric dipole in a uniform electric field
    20. A lens form real image of an object 20 cm. away from lens. A second lens is kept in contact 2 with this lens, then image shifts 10 cm towards the lens combination. Find power of another lens
    21. Explain reflection of plane waves using Huygens principle.
    22. What is photoelectric effect ? State law of photoelectric effect.
    23. Draw the circuit diagram of NPN transistor in common emitter configuration and draw the input and output characteristics
    24. Show that how OR, AND and Nor gate can be obtained by using only NoR gates
    25. what is modulation ? Describe Space wave and Sky wave propagation.
    26. Explain the principle of potentiometer. How’ its sensitivity can be increased ? Why it is called ideal voltmeter ?
    27. Find the condition for maximum current in case of series combination and parallel combination of cells.
    28. Differentiate the properties of soft iron and steel
    29. What do you understand by interference of light ? What are the essential conditions for interference of light ? Find the formula for fringe width of bright fringe in Young’s double slit experiment.
    30. Mention the principle of working and uses of Van de Graaff generator.
    31. Write Faraday’s laws of electromagnetic induction. Transformer can not be used in direct current, explain.
    32. Two thin convex lens each having focal length 25 cm. are kept in contact. A, object is placed at 15 cm distance from this combination. Find the distance between object ancl image.
    33. You may use the following values of physical constants wherever necessary:

c = 3 x 108 ms -1

h = 6.6 x 10-34 Js

e = 1.6 x 10 -19 C

µo = 4π x 10 -7  TmA -1

Boltzmann’s Constt K = 1.381 x 10-23 JK -1

Avogadro Number NA = 6.02 x 10 23 mol-1

Mass of Neutron mn = 1.67 x 10-27 kg

9.1 x 10-31 kg

 

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