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Question: When multiplying 3.00 by 2.5, how many significant figures should the answer have?Options:..
Question: A student records the time taken for a reaction as 15.0 s with an uncertainty of ±0.5 s. W..
Question: In a lab experiment, the density of a liquid is measured as 1.2 g/cm³ with an uncertainty ..
Question: A student measures the speed of a car as 60 km/h with an uncertainty of ±2 km/h. What is t..
Question: A voltage is measured as 12.0 V with an uncertainty of ±0.1 V. What is the absolute error?..
Question: If a length is measured as 30.0 cm with an uncertainty of ±0.2 cm, what is the maximum pos..
Question: In an experiment, a student measures the mass of an object as 200 g with an uncertainty of..
Question: A pendulum\'s period is measured as 2.0 s with an uncertainty of ±0.1 s. What is the relat..
Question: A thermometer reads 100.5 °C when the actual temperature is 100.0 °C. What is the percenta..
Question: If the true value of a measurement is 50.0 cm and the measured value is 49.5 cm, what is t..
Question: What is the value of 1 Joule in terms of base SI units?Options: 1 kg·m²/s²1 kg·m/s²1 m²/s²..
Question: What is the main mechanism of heat transfer in liquids?Options: ConductionConvectionRadiat..
Question: If the temperature of an object is doubled, how does its thermal radiation change accordin..
Question: In which of the following scenarios does conduction occur?Options: Heating water in a potS..
Question: In an isochoric process, what happens to the internal energy of a gas when heat is added?O..
Question: What is the work done by a gas during isothermal expansion?Options: ZeroDepends on the tem..
Question: What happens to the entropy of a system when it undergoes a reversible process?Options: It..
Question: In a heat engine, if the work done is 200 J and the heat absorbed is 500 J, what is the ef..
Question: What is the change in internal energy for an ideal gas undergoing an isochoric process?Opt..
Question: A torque of 30 Nm is applied to a wheel. If the radius of the wheel is 0.5 m, what is the ..
Question: For a given mass, which of the following configurations will have the smallest moment of i..
Question: The moment of inertia of a system of particles is calculated by summing which of the follo..
Question: A solid sphere and a hollow sphere of the same mass and radius are released from rest at t..
Question: If a rotating object has a moment of inertia of 5 kg·m² and is rotating with an angular ve..
Question: What is the moment of inertia of a uniform thin circular plate of mass M and radius R abou..
Question: A planet orbits the sun in a circular path. If the radius of the orbit is halved, what hap..
Question: A rotating wheel has an angular momentum of L. If the wheel\'s angular velocity is doubled..
Question: A child is sitting on a merry-go-round that is spinning. If the child moves closer to the ..
Question: Two particles A and B of masses m1 and m2 are moving in opposite directions with velocitie..
Question: A rotating object has an angular momentum of L. If its moment of inertia is halved and the..
