| 1 |
Food rich in proteins is: |
potato
grapes
vegetables
bread
|
| 2 |
An immediate source of energy for our body is: |
mango
<span style="color: rgb(32, 33, 36); font-family: arial, sans-serif; font-size: 32px;">Glucose</span>
mushroom
meat
|
| 3 |
If the initial velocity of a projectile becomes doubled, the time of fight will be. |
Same
4 times
Double
3 times
|
| 4 |
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
|
| 5 |
the acceleration along x -axis direction in case of projectile is. |
Zero
Equal to gravity
Maximum
Constant
|
| 6 |
The acceleration of a projectile along x axis is. |
Zero
Increase
Decrease
Equal to 'g'
|
| 7 |
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>
|
| 8 |
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>
|
| 9 |
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
|
| 10 |
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>
|
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