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Physics - section - 10

  1. Solar eclipse will take place when

    2. A.
    the sun is between the moon and the earth
    B.
    the earth is between the moon and the sun
    C.
    the moon is between the sun and the earth
    D.
    the moon does not lie on the line joining the sun and the earth

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  2. Isotopes of an element contain

    3. A.
    the same number of protons but different number of neutrons
    B.
    the same number of neutrons but different number of protons
    C.
    equal number of protons and electrons
    D.
    equal number of nucleons

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  3. One watt-hour is equivalent to

    4. A.
    6.3 x 103 J
    B.
    6.3 x 10-7 J
    C.
    3.6 x 103 J
    D.
    3.6 x 10-3 J

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  4. Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation?

    5. A.
    Scattering
    B.
    Diffraction
    C.
    Interference
    D.
    Polarization

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  5. In which of the following industries is mica as a raw material?

    6. A.
    Cement
    B.
    Glass and Pottery
    C.
    Iron and Steel
    D.
    Electrical

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  6. Radiocarbon dating technique is used to estimate the age of

    7. A.
    rocks
    B.
    monuments
    C.
    soil
    D.
    fossils

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  7. Identify the vector quantity from the following

    8. A.
    Heat
    B.
    Angular momentum
    C.
    Time
    D.
    Work

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  8. Large astronomical telescopes always use as objective

    9. A.
    lens
    B.
    mirror
    C.
    combinations of lenses
    D.
    None of the above

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  9. One should not connect a number of electrical appliances to the same power socket because

    10. A.
    this can damage the appliances due to overloading
    B.
    this can damage the domestic wiring due to overloading
    C.
    this can damage the electrical meter
    D.
    the appliance will not get full voltage

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  10. Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this?

    1. Diffusion
    2. Refraction
    3. Internal reflection

    11. A.
    I, II and III
    B.
    I and II
    C.
    II and III
    D.
    I and III

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