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9th में अच्छे से नहीं पढ़ा 😫 पर 10th में 89% मिला😍 || Rucha Sonar
9th में अच्छे से नहीं पढ़ा 😫 पर 10th में 89% मिला😍 || Rucha Sonar
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An object of mass 2 kg is sliding with a constant velocity of 4 m/s on a friction less horizontal table. The force required to keep the object moving with the same velocity is:
Anonymous Quiz
22%
32N
52%
0N
19%
28N
8%
5N
water tank filled upto 2/3 of its height is moving with a uniform speed. On sudden application of the brake, the water in the tank would
Anonymous Quiz
31%
Move backwards
43%
Move forward
23%
Come to rest
3%
Be unaffected
passenger in a moving train tosses a coin which falls behind him. Observing this statement what can you say about the motion of the train?
Anonymous Quiz
38%
Accelerated
30%
Retarted
20%
Along circular track
13%
Uniform
man wearing a bullet-proof vest stands on roller skates. The total mass is 80 kg. A bullet of mass 20 g is fired at 400 m/s. It is stopped by the vest and falls to the ground. What is then the velocity of the man?
Anonymous Quiz
34%
1m/s
31%
0.1m/s
25%
0.01m/s
10%
0m/s
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Zig zag movement of the solute particle in solution is known as
Anonymous Quiz
18%
Linear motion
20%
Circular motion
41%
Browiman motion
22%
Curverd motion
A gas which obey the gas laws is known as
Anonymous Quiz
37%
An ideal gas
20%
A heavier gas
27%
A lighter gas
16%
A real gas
What the term used to describe the phase change as a liquid become a solid
Anonymous Quiz
16%
Evaporation
33%
Condensation
48%
Frezzing
4%
None
The quantity of matter present in an object is called its
Anonymous Quiz
13%
Weight
16%
Gram
56%
Mass
15%
Density
Out of the following which is the denset state of matter
Anonymous Quiz
36%
Solid
17%
Liquid
37%
Plasmas
11%
Gas
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Which isotope is used in the nuclear power plants to generate electricity?
Anonymous Quiz
44%
Uranium 235
24%
Iodine 131
15%
Cobalt21
18%
Uranium 238
What was the source of alpha particles in Rutherford scattering experiment?
Anonymous Quiz
33%
Hydrogen nucleus
27%
Argon nucleus
33%
Helium neculeus
8%
None
❤1
Which of the following elements does not exhibit the electrovalencey?
Anonymous Quiz
21%
Sodium
30%
Calcium
37%
Carbon
12%
Chlorine