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Physics Test 6...

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  • Question 1
    4 / -1

    In a discharge tube ionization of enclosed gas is produced due to collisions between:

  • Question 2
    4 / -1

    When ultraviolet rays are incident on metal plate, the photoelectric effect does not occur. It occurs by incidence of:

  • Question 3
    4 / -1

    What will be the effect on the kinetic energy of an electric charge Q which is moving freely in a conductor under action of electric field?

  • Question 4
    4 / -1

    A radio isotope 'X' with a half life 1.4 × 109 years decays to 'Y' which is stable. A sample of the rock from a cave was found to contain 'X' and 'Y' in the ratio 1 : 7. The age of the rock is :

  • Question 5
    4 / -1

    The curve of binding energy per nucleon as a function of atomic mass number has a sharp peak for helium nucleus. This implies that helium

  • Question 6
    4 / -1

    What will be the current and resistance ratings of a radiator working on 60 V potential difference and has power of 360 Watt?

  • Question 7
    4 / -1

    A galvanometer acting as a voltmeter will have.

  • Question 8
    4 / -1

    When three identical bulbs of 60W, 200V rating are connected in series to a 200V supply, the power drawn by them will be.

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