Rocket works on the principle of conservation of
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16%
Mass
24%
Energy
53%
Momentum
7%
Velocity
A water tanker filled up to 23 of its height is moving with a uniform speed. On a sudden application of brakes, the water in the tank would
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35%
Move backwards
43%
Move forward
13%
Be unaffected
9%
Retardation
An athlete does not come to rest immediately after crossing the winning line due to the
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52%
Inertia of motion
28%
Inertia of rest
18%
Inertia of direction
3%
None
The masses of two bodies are in ratio 5 : 6 and their velocities are in ratio 1 : 2. Then their linear momentum will be in the ratio
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26%
5:6
25%
1;4
40%
5:12
8%
3:8
Which of the following methods would you use to separate cream from milk?
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48%
Centrifugation
26%
Distillation
22%
Filteration
4%
None
Method of purifying solids.
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59%
Crystallization
23%
Fractillion
15%
Centrifugation
3%
None
Technique of separating two or more colours of a dye.
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20%
Sublimation
56%
Chromotography
18%
Filteration
7%
Centrifugation
A method of separation of insoluble solid from a mixture.
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39%
Filteration
28%
Chromotography
29%
Fractillion disttliation
4%
None
Which cell does not have perforated cell wall?
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36%
Companion cell
29%
Sieve tube
28%
Vessels
6%
None
A particle is moving in a circular path of radius r. The displacement after half a circle would be:
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20%
R
23%
0
51%
2r
6%
None
Area under a υ -1 graph represents a physical quantity which has the unit
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26%
M
46%
M^2
24%
M^3
5%
None
Slope of a velocity-time graph gives
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21%
Distance
50%
Displacement
22%
Acceleration
7%
Speed