Sample Paper Set II For 11th And 12th

15 Questions | Total Attempts: 253

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Sample Paper Set II For 11th And 12th

Question No: 1-5 (Physics) Question No: 6-10 (Chemistry) Question No: 11-15 (Mathematics)


Questions and Answers
  • 1. 
    A charge q is placed at the centre of the line joining two equal charges Q. The system of the three charges will be in equilibrium if q is equal to :
    • A. 
    • B. 
    • C. 

    • D. 
  • 2. 
    A hollow metal sphere is charged such that the potential at its centre is V. The potential on the surface of the sphere is :
    • A. 

      Zero

    • B. 

      V

    • C. 

      More than V

    • D. 

      Less than V

  • 3. 
    An infinite number of charges, equal to q, are placed along the x-axis at x = 1, x = 2, x = 4, x = 8 .... and so on.The electric potential at the point x = 0 due to this set of charges is :
    • A. 
    • B. 
    • C. 
    • D. 
  • 4. 
    The displacement of a particle executing simple harmonic motion varies with time t as The amplitude of oscillation is :
    • A. 

      A

    • B. 
    • C. 
    • D. 

      2 a

  • 5. 
    Find the electric field due to three concentric thin long cylinders of linear charge densities –, +2 and just outside the outer cylinder.
    • A. 
    • B. 
    • C. 
    • D. 

      None of these

  • 6. 
    Reactivity of carbonyl compound towards NAR is-
    • A. 

      III > I > II

    • B. 

      III > II > I

    • C. 

      I > II > III

    • D. 

      I > III > II

  • 7. 
    The ratio of total number of  bond to the total number of  bond in anhydride of
    • A. 

      4

    • B. 

      2

    • C. 

      3

    • D. 

      8

  • 8. 
    Which of the following will have positively charged particles in dispersed phase?
    • A. 

       sol

    • B. 

      Milk

    • C. 

      Blood

    • D. 

      Gold sol

  • 9. 
    Which of the following option is incorrect regarding ?
    • A. 
    • B. 

      P–Cl bond length is less than P–F bond length.

    • C. 

      Cl – – Cl bond angle is less than Cl – – F bond angle.

    • D. 

      Its dipole moment is zero

  • 10. 
    Aspartame, an artificial sweetener contains 9.52 wt. % nitrogen. There are two nitrogen atoms per molecule. What is the molecular weight of aspartame?
    • A. 

      147

    • B. 

      294

    • C. 

      588

    • D. 

      266

  • 11. 
    There exists a natural number N which is 50 times its own logarithm to the base 10, then number of digits in N is
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 12. 
    • A. 

      1

    • B. 

      –1

    • C. 
    • D. 
  • 13. 
    The values of cos
    • A. 

      0

    • B. 
    • C. 
    • D. 
  • 14. 
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

  • 15. 
    Consider the function f(x) = Statement-1: f '() = 0. Statement-2: f(c) = 
    • A. 

      Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement- 1

    • B. 

      Statement-1 is true, statement-2 is true and statement-2 is NOT the correct explanation for statement-1.

    • C. 

      Statement-1 is true, statement-2 is false.

    • D. 

      Statement-1 is false, statement-2 is true.

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