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NEET Test 149...

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  • Question 1
    4 / -1

    The diagram given below is a vapour pressure composition diagram for a binary solution of A and B. In the solution, A-B interactions are:

  • Question 2
    4 / -1

    Standard enthalpies of formation of CO2(g), CO(g), N2O(g) and NO2(g) in kJ/mol are -393, -110, 81 and 34, respectively. What is the value of ∆H (in kJ) in the following reaction?

    2NO2 (g) + 3CO (g) → N2O (g) + 3CO2 (g)

  • Question 3
    4 / -1

    The phase difference between two waves represented by  where x is expressed in metres and t is expressed in seconds, is approximately

  • Question 4
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    The work function of a substance is 4.0eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately:

  • Question 5
    4 / -1

    Select the correct match from the following.

  • Question 6
    4 / -1

    Directions For Questions

    Consider the following statements regarding Wetlands sites.

    1. In India Wetlands rules are notified under the provisions of the Environment (Protection) Act, 1986.

    2. All wetlands, paddy fields, river channels are notified under the Wetlands rules.

    3. Ramsar is an intergovernmental treaty work with local, national and international cooperation.

    4. Coastal Zone Regulation have been excluded from notification under the Wetlands Rules.

    5. Ramsar wetlands sites are registered in a Montreux record register.

    ...view full instructions

    Select the correct answer using the code given below.

  • Question 7
    4 / -1

    A particle of mass 0.1kg is held between two rigid supports by two springs of force constant 8 Nm−1 and 2Nm−1. If the particle is displaced along the direction of length of the springs, its frequency of vibration is:

  • Question 8
    4 / -1

    Syngamy means:

  • Question 9
    4 / -1

    Two masses m1 and m2 are suspended together by a mass-less spring of spring constant K. When the masses are in equilibrium, m1 is removed without disturbing the system. The angular frequency and amplitude of oscillation of m2 are

  • Question 10
    4 / -1

    Haemozoin is a toxic substance released upon which of the following events?

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