KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Physics: Questions 127 - 128 of 253

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Question number: 127

» Kinetic Theory of Gases » Work Done on Compressing a Gas

MCQ▾

Question

One jar contains gas-1 while the other gas-2. The density of gas 1 in the jar of is three times that of nitrogen. When both the gasses in the two jars are mixed, comparer their rates of diffusion,

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 128

» Kinematics » Position-Time Graphs

Appeared in Year: 2015

MCQ▾

Question

An object at rest at the origin begins to move in the direction with a uniform acceleration of 1 m/s2 for 4s and then it continues moving with a uniform velocity of 4 m/s in the same direction. The graph for object’s motion will be

Choices

Choice (4) Response

a.

The graph of x verses t – Choice A

The Graph of X Verses T – Choice a

In figure graph of position verses time is shown. An object at rest at the origin being to move in the + x direction with uniform acceleration of 1 m/s2 for 4s and then it continues moving with a uniform velocity of 4 m/s in the same direction.

b.

The graph of x verses t – Choice B

The Graph of X Verses T – Choice B

In figure graph of position verses time is shown. An object at rest at the origin being to move in the + x direction with uniform acceleration of 1 m/s2 for 4s and then it continues moving with a uniform velocity of 4 m/s in the same direction.

c.

The graph of x verses t – Choice C

The Graph of X Verses T – Choice C

In figure graph of position verses time is shown. An object at rest at the origin being to move in the + x direction with uniform acceleration of 1 m/s2 for 4s and then it continues moving with a uniform velocity of 4 m/s in the same direction.

d.

The graph of x verses t

The Graph of X Verses T

The equation of speed in term of acceleration and time is written as,

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