TG EAMCET (EAPCET) Physics Multiple Choice Questions (MCQs)
Physics Questions (Mechanical Properties of Solids and Fluids)
-
Which of the following statements is correct about Hooke’s law?
- A) Stress is inversely proportional to strain.
- B) Stress is proportional to strain within the elastic limit.
- C) Stress is independent of strain.
- D) Stress is proportional to strain beyond the elastic limit.
Answer: B
-
The ratio of lateral strain to longitudinal strain in a stretched wire is called:
- A) Young’s modulus
- B) Bulk modulus
- C) Shear modulus
- D) Poisson’s ratio
Answer: D
-
Which of the following materials has the highest Young’s modulus?
- A) Rubber
- B) Steel
- C) Wood
- D) Copper
Answer: B
-
The elastic potential energy stored in a stretched wire is proportional to:
- A) Stress²
- B) Strain²
- C) Stress × Strain
- D) Stress/Strain
Answer: C
-
If a wire’s length is doubled and its radius is halved, its Young’s modulus will:
- A) Double
- B) Halve
- C) Remain unchanged
- D) Become four times
Answer: C
-
Pascal’s law states that:
- A) Pressure in a fluid decreases with depth.
- B) Pressure in a fluid at rest is the same in all directions at a given depth.
- C) Fluids cannot transmit pressure.
- D) Pressure depends only on the shape of the container.
Answer: B
-
Bernoulli’s principle is based on the conservation of:
- A) Momentum
- B) Mass
- C) Energy
- D) Force
Answer: C
-
Which of the following devices is based on Torricelli’s Law?
- A) Venturi-meter
- B) Hydraulic lift
- C) Barometer
- D) Siphon
Answer: A
-
The Reynolds number helps determine:
- A) The viscosity of a fluid
- B) The density of a fluid
- C) The type of flow of a fluid (laminar or turbulent)
- D) The pressure of a fluid at a given depth
Answer: C
-
Capillary rise is directly proportional to:
- A) Surface tension
- B) Viscosity
- C) Density
- D) Angle of contact
Answer: A
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