Sarthaks Test
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As the temperature is increased, the time period of a pendulum  

(a) increases as its effective length increases even though its centre  of mass still remains at the centre of the bob.  

(b) decreases as its effective length increases even though its centre  of mass still remains at the centre of the bob.  

(c) increases as its effective length increases due to shifting of  centre of mass below the centre of the bob.  

(d) decreases as its effective length remains same but the centre  of mass shifts above the centre of the bob.

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(a) increases as its effective length increases even though its centre  of mass still remains at the centre of the bob.  

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