Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. ANSWER DOWNLOAD EXAMIANS APP
Physics In a freezer ice cubes will be formed more quickly in trays made of Plastic Wood Aluminium Rubber Plastic Wood Aluminium Rubber ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Dacrease Remain constant Increase Will increase first and then dcrease Dacrease Remain constant Increase Will increase first and then dcrease ANSWER DOWNLOAD EXAMIANS APP
Physics During washing of clothes, we use indigo due to its Proper pigmental composition Very low cost High glorious nature Better cleaning action Proper pigmental composition Very low cost High glorious nature Better cleaning action ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by Using heat from exhaust The battery Compressing air in the cylinders An electrical spark Using heat from exhaust The battery Compressing air in the cylinders An electrical spark ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 11.2 km/sec 21 km/sec 18 km/sec 35 km/sec 11.2 km/sec 21 km/sec 18 km/sec 35 km/sec ANSWER DOWNLOAD EXAMIANS APP
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