Physics Questions and Answers

  • Q1:

    If the length of a wire is doubled and its cross-section is also doubled, then its electric resistance will

    1. remain unchanged
    2. become one-fourth
    3. become two-times
    4. become four-times
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  • Q2:

    A gas behaves like an ideal gas at

    1. high pressure and low temperature
    2. low pressure and high temperature
    3. high pressure and high temperature
    4. low pressure and low temperature
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  • Q3:

    Which of the following is an amino acid?

    1. Cytosine
    2. Glycine
    3. Guanine
    4. Thymine
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  • Q4:

    Consider the following elements:
    I. Cobalt
    II. Gold
    III. Nickel
    IV. Silver
    Which of these are magnetic substances?

    1. I and II
    2. I and III
    3. II and IV
    4. III and IV
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  • Q5:

    The most electronegative element among the following is

    1. Fluorine
    2. Oxygen
    3. Sodium
    4. Sulphur
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