TG EAMCET (EAPCET) Physics Multiple Choice Questions (MCQs)
Physics Questions (Oscillations & Gravitation)
-
The time period of a simple pendulum depends on:
- A) Mass of the bob
- B) Length of the string
- C) Amplitude of oscillation
- D) Density of the bob
Answer: B
-
The total energy of a body executing simple harmonic motion is proportional to:
- A) Amplitude
- B) Amplitude²
- C) Frequency
- D) Frequency²
Answer: B
-
Which of the following statements about damped harmonic motion is correct?
- A) Energy of the system remains constant
- B) The amplitude of motion decreases over time
- C) The frequency increases with time
- D) No external force acts on the system
Answer: B
-
Resonance occurs when:
- A) The damping force is maximum
- B) The natural frequency of the system matches the driving frequency
- C) The system is in static equilibrium
- D) Amplitude is inversely proportional to frequency
Answer: B
-
The restoring force in simple harmonic motion is directly proportional to:
- A) Displacement from the mean position
- B) Square of displacement
- C) Velocity
- D) Acceleration
Answer: A
-
The gravitational force between two objects is inversely proportional to:
- A) The distance between them
- B) The square of the distance between them
- C) The cube of the distance between them
- D) Their masses
Answer: B
-
Kepler’s second law (law of areas) states that:
- A) Planets move in circular orbits
- B) The line joining a planet to the Sun sweeps out equal areas in equal time intervals
- C) The square of the orbital period is proportional to the cube of the semi-major axis
- D) Planets move faster when farther from the Sun
Answer: B
-
If the radius of Earth decreases by 1% and its mass remains the same, the acceleration due to gravity at its surface will:
- A) Increase by 1%
- B) Decrease by 1%
- C) Increase by 2%
- D) Remain unchanged
Answer: C
-
The escape velocity from the surface of a planet depends on:
- A) The planet’s radius only
- B) The planet’s mass only
- C) Both the planet’s mass and radius
- D) The density of the planet
Answer: C
-
A geostationary satellite orbits the Earth at an altitude of approximately:
- A) 1,000 km
- B) 3,600 km
- C) 35,786 km
- D) 70,000 km
Answer: C
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