1
IIT-JEE 2011 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

Phase space diagrams are useful tools in analyzing all kinds of dynamical problems. They are especially useful in studying the changes in motion as initial position and momentum are changed. Here we consider some simple dynamical systems in one-dimension. For such systems, phase space is a plane in which position is plotted along horizontal axis and momentum is plotted along vertical axis. The phase space diagram is x(t) vs. p(t) curve in this plane. The arrow on the curve indicates the time flow. For example, the phase space diagram for a particle moving with constant velocity is a straight line as shown int he figure. We use the sign convention in which position or momentum upwards (or to right) is positive and downwards (or to left) is negative.

IIT-JEE 2011 Paper 1 Offline Physics - Simple Harmonic Motion Question 15 English Comprehension

The phase space diagram for a ball thrown vertically up from ground is

A
IIT-JEE 2011 Paper 1 Offline Physics - Simple Harmonic Motion Question 15 English Option 1
B
IIT-JEE 2011 Paper 1 Offline Physics - Simple Harmonic Motion Question 15 English Option 2
C
IIT-JEE 2011 Paper 1 Offline Physics - Simple Harmonic Motion Question 15 English Option 3
D
IIT-JEE 2011 Paper 1 Offline Physics - Simple Harmonic Motion Question 15 English Option 4
2
IIT-JEE 2011 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

Phase space diagrams are useful tools in analyzing all kinds of dynamical problems. They are especially useful in studying the changes in motion as initial position and momentum are changed. Here we consider some simple dynamical systems in one-dimension. For such systems, phase space is a plane in which position is plotted along horizontal axis and momentum is plotted along vertical axis. The phase space diagram is x(t) vs. p(t) curve in this plane. The arrow on the curve indicates the time flow. For example, the phase space diagram for a particle moving with constant velocity is a straight line as shown int he figure. We use the sign convention in which position or momentum upwards (or to right) is positive and downwards (or to left) is negative.

IIT-JEE 2011 Paper 1 Offline Physics - Simple Harmonic Motion Question 13 English Comprehension

The phase space diagram for simple harmonic motion is a circle centred at the origin. In the figure, the two circles represent the same oscillator but for different initial conditions, and E1 and E2 are the total mechanical energies respectively. Then

IIT-JEE 2011 Paper 1 Offline Physics - Simple Harmonic Motion Question 13 English

A
E1 = $$\sqrt2$$E2
B
E1 = 2E2
C
E1 = 4E2
D
E1 = 16E2
3
IIT-JEE 2011 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

Phase space diagrams are useful tools in analyzing all kinds of dynamical problems. They are especially useful in studying the changes in motion as initial position and momentum are changed. Here we consider some simple dynamical systems in one-dimension. For such systems, phase space is a plane in which position is plotted along horizontal axis and momentum is plotted along vertical axis. The phase space diagram is x(t) vs. p(t) curve in this plane. The arrow on the curve indicates the time flow. For example, the phase space diagram for a particle moving with constant velocity is a straight line as shown int he figure. We use the sign convention in which position or momentum upwards (or to right) is positive and downwards (or to left) is negative.

IIT-JEE 2011 Paper 1 Offline Physics - Simple Harmonic Motion Question 14 English Comprehension

Consider the spring-mass system, with the mass submerged in water, as shown in the figure. The phase space diagram for one cycle of this system is

IIT-JEE 2011 Paper 1 Offline Physics - Simple Harmonic Motion Question 14 English

A
IIT-JEE 2011 Paper 1 Offline Physics - Simple Harmonic Motion Question 14 English Option 1
B
IIT-JEE 2011 Paper 1 Offline Physics - Simple Harmonic Motion Question 14 English Option 2
C
IIT-JEE 2011 Paper 1 Offline Physics - Simple Harmonic Motion Question 14 English Option 3
D
IIT-JEE 2011 Paper 1 Offline Physics - Simple Harmonic Motion Question 14 English Option 4
4
IIT-JEE 2011 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-0.75
A point mass is subjected to two simultaneous sinusoidal displacements in x-direction, $${x_1}\left( t \right) = A\sin \omega t$$ and $${x_2}\left( t \right) = A\sin \left( {\omega t + {{2\pi } \over 3}} \right)$$. Adding a third sinusoidal displacement $${x_3}\left( t \right) = B\sin \left( {\omega t + \phi } \right)$$ brings the mass to a complete rest. The values of B and $$\phi $$ are
A
$$\sqrt 2 A,{{3\pi } \over 4}$$
B
$$A,{{4\pi } \over 3}$$
C
$$\sqrt 3 A,{{5\pi } \over 6}$$
D
$$A,{\pi \over 3}$$
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