Which of the following causes the temperature of a substance to remain constant while it is undergoing a change in its state?
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42%
Latent heat
31%
Lattic energy
21%
Loss of heat
5%
None
A car of mass 1000 kg is moving with a velocity of 10 m/s. If the velocity-time graph for this car is a horizontal line parallel to the time axis, then the velocity of the car at the end of 25 s will be:
Anonymous Quiz
26%
400
47%
250
22%
10
5%
0
An element X is divalent and another element Y is tetravalent. The compound formed by these two elements will be:
Anonymous Quiz
31%
Xy
31%
Xy3
33%
Xy2
5%
Xyè
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Molecular mass means. Sum of
Anonymous Quiz
33%
Electron proton
45%
Proton neutron
18%
Neutron electron
4%
Neutron only
👍1
The gravitational force between two objects is F. If masses of both objects are halved without changing the distance between them, then the gravitational force would become
Anonymous Quiz
36%
F/2
33%
F/4
23%
F
8%
2f
Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be
Anonymous Quiz
24%
1/4
37%
1/2
18%
4
21%
Unchanged