Question

    Tungsten is used for the construction of filament in an

    electric bulb because of its 
    A High specific resistance Correct Answer Incorrect Answer
    B Low specific resistance Correct Answer Incorrect Answer
    C High light emitting power Correct Answer Incorrect Answer
    D High melting point Correct Answer Incorrect Answer

    Solution

    Tungsten has the highest melting point and lowest vapour pressure of all metals. 

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