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Doubt Questions of Physics Class XI.
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In a particular system of unit, if the . . .
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Question : In a particular system of unit, if the unit of mass becomes twice and that of time becomes half, then 8 joules will be written a...
In a new unit system, 1 unit of time is equal to 10 seconds . . .
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Question : In a new unit system, 1 unit of time is equal to 10 seconds, 1 unit of mass is 5 kg and 1 unit of length is 20 m. In the new sys...
A particle starts moving with acceleration 2 m/s². Distance travelled . . .
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Question : A particle starts moving with acceleration 2 m/s². Distance travelled by it in 5th half second is (A) 1.25 m (B) 2.25 m (C) 6...
The position of a body moving along x-axis at time t is given by . . .
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Question : The position of a body moving along x-axis at time t is given by x=(t²-4t+6) m. The distance travelled by body in time interval ...
Train A is moving along two parallel rail tracks towards north with speed . . .
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Question : Train A is moving along two parallel rail tracks towards north with speed 72 km/h and train B is moving towards south with speed...
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