Biology
General
Easy
Question
In angiosperms, female gametophyte is represented by
- Ovule
- Nucellus
- Megaspore mother cell
- Embryo sac
The correct answer is: Embryo sac
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A particle is projected vertically upwards with velocity .30 ms-1 Find the ratio of average speed and instantaneous velocity after 6s.[g=10 ms-1 ]
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In the adjacent figure is shown a closed path 
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The figure shows the cross-section of a long cylindrical conductor of radius a carrying a uniformly distributed current i. The magnetic field due to current at P is
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The magnetic field at the centre of the loop is times.
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A wire shown in figure carries a current of 40 A. If 
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A car covers one third part of its straight path with speed V1 and the rest with speed V2 . What is its average speed ?
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A bus travels between two points A and B. V1 and V2 are it average speed and average velocity then
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If 
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Maths-General
