1) Which of the following factors do not affect the value of modulus of elasticity of a body? a. Nature of material b. Temperature of the body c. Length and volume and of the body d. None of the above
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2) What is the shape of meniscus when angle of contact is greater than 90°? a. Concave b. Convex c. Plane d. None of the above
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3) Which is correct about the height of a capillary column of a liquid, at a particular temperature, as per Jurin’s law? a. equal to the diameter of the tube b. directly proportional to the diameter of the tube c. inversely proportional to the diameter of the tube d. half of the diameter of the tube
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4) What do we call the potential energy of surface molecules per unit area of the surface? a. Surface energy b. Surface Tension c. Reynolds number d. Potential constant
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5) Which of the following is the SI unit of Kinematic viscosity? a. m³/s b. Kg/s c. m s-¹ d. m²/s
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6) Which of these is a physical quantity which completely express the position and direction of motion of the particle? a. Frequency b. Displacement c. Phase d. Time period
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7) What is the phase of a vibrating particle at t = 0 known as? a. epoch b. eon c. path difference d. period
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8) When are the two particles said to be in same phase? a. if the phase difference between them is an even multiple of π b. if the path difference is an even multiple of (λ / 2) c. if the time interval is an even multiple of (T/ 2) d. All of the above
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9) Which of these is correct about Simple Harmonic Motion? a. Restoring force is directly proportional to the displacement from mean position b. Restoring force is equal to the displacement from mean position c. Restoring force is inversely proportional to the displacement from mean position d. Restoring force is half of the displacement from mean position
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10) What are the oscillations of a body whose amplitude goes on decreasing with time called as? a. Free oscillation b. Maintained oscillation c. Forced oscillation d. Damped oscillation
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