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Solution


Q.

Spherical insulating ball and a spherical metallic ball of same size and mass are dropped from the same height. Choose the correct statement out of the following (Assume negligible air friction)          [2023]
1 Time taken by them to reach the earth’s surface will be independent of the properties of their materials.  
2 Insulating ball will reach the earth’s surface earlier than the metal ball.  
3 Both will reach the earth’s surface simultaneously.  
4 Metal ball will reach the earth’s surface earlier than the insulating ball.  

Ans.

(2)

Insulating ball will reach the earth’s surface earlier than the metal ball.