PHY101 Final Term Solved MCQs by Faheem

PHY101 FINAL TERM SOLVED MCQs BY FAHEEM

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Q1. As a 2.0-kg block travels around a 0.50-m radius circle it has an angular speed of 12 rad/s. The circle is parallel to the xy plane and is centered on the z axis, a distance of 0.75m from the origin. The z component of the angular momentum around the origin is: (1 marks)

1. 6.0kg · m2/s
2. 6.0kg · m2/s
3. 9.0kg · m2/s
4. 11 kg · m2/s
5. 14 kg · m2/s

Q2. (1 marks)

1. rotational equilibrium
2. linear acceleration
3. rotational equilibrium
4. angular acceleration
5. rotational inertia

Q3. An object attached to one end of a spring makes 20 vibrations in 10 s. Its angular frequency is: (1 marks)

1. 2.0 rad/s
2. 12.6 rad/s
3. 1.57 rad/s
4. 2.0 rad/s
5. 6.3 rad/s

Q4. (1 marks)

1. displacement
2. amplitude
3. frequency
4. velocity
5. displacement

Q5. (1 marks)

1. it has a high density
2. it is a metal
3. it has a high boiling point
4. it expands little with temperature
5. it has a high density

Q6. (1 marks)

1. J/m
2. J/m
3. J/(C·m)
4. J/C
5. J·C

Q7. (1 marks)

1. J/V
2. J/V
3. V/J
4. C/V
5. V/C

Q8. We desire to make an LC circuit that oscillates at 100 Hz using an inductance of 2.5H. We also need a capacitance of: (1 marks)

1. 100 µF
2. 1 F
3. 1mF
4. 1

Correct answer: 100 µF

µF

1. 100 µF