1st Year Fsc Physics Online Test With Answers

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1st Year Fsc Physics Online Test

Sr. # Questions Answers Choice
1 If a body of mass 5 kg is raised vertically through a distance of 1 m, then work done is. 49 J 4.9 J 490 J 0.49 J
2 The work done will be maximum when angle between F and d. 180<sup>o</sup> 0<sup>o</sup> 90<sup>o</sup> 60<sup>o</sup>
3 SI unit of work Newton Walt Pascal Joule
4 The unit of work in base unit is Kg m-1 sec-2 Kgm sec-2 Kgm2 sec-1 Kgm-1 sec-1
5 The dimensions of work are. [MLT-1] [MLT-2] [ML2T-2] [MLT]
6 Work is negative when angle between F and d is 45<sup>o</sup> <sub>0</sub><sup>o</sup> 90<sup>o</sup> 180<sup>o</sup>
7 Work has dimension lime Torque Momentum Velocity Power
8 If the initial velocity of a projectile becomes doubled, the time of fight will be. Same 4 times Double 3 times
9 The maximum range of projectile is 100 km, Take 9=10 ms-2, the initial velocity of the projectile will be. 1000 kms-1 1 kms-1 10 kms-1 100 kms-1
10 the acceleration along x -axis direction in case of projectile is. Zero Equal to gravity Maximum Constant
11 The acceleration of a projectile along x axis is. Zero Increase Decrease Equal to 'g'
12 The horizontal range of a projectile of 30owith horizontal is same at an angle. 40<sup>o</sup> 45<sup>o</sup> 90<sup>o</sup> 60<sup>o</sup>
13 Height of projectile is maximum at an angle of. 45<sup>o</sup> 60<sup>o</sup> 30<sup>o</sup> 90<sup>o</sup>
14 A ball is thrown up with 20 ms-1 at an angle of 60 owith x-axis , the velocity of the ball at the top position is. 0 ms-1 10 ms-1 20 ms-1 16 ms-1
15 For maximum range the angle of projection must be 30<sup>o</sup> 45<sup>o</sup> 60<sup>o</sup> 90<sup>o</sup>
16 The path followed by a projectile in known as its Range Trajectory Cycle Height
17 The shape of trajectory of short range projectile is Straight line Circle Elliptical Parabolic
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