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Question: What is the result of adding 12.11 and 0.3, considering significant figures?Options: 12.41..
Question: A volume is measured as 2.0 L with an uncertainty of ±0.1 L. If this volume is used to cal..
Question: In a lab experiment, the speed of sound is measured as 340 m/s with an uncertainty of ±5 m..
Question: A force is measured as 50 N with an uncertainty of ±2 N. What is the relative uncertainty ..
Question: A thermometer reads 25.0 °C with an uncertainty of ±0.5 °C. If this temperature is used in..
Question: If the density of a substance is measured as 8.0 g/cm³ with an uncertainty of ±0.1 g/cm³, ..
Question: A length is measured as 15.0 m with an uncertainty of ±0.2 m. What is the total uncertaint..
Question: In an experiment, the voltage is measured as 12.0 V with an uncertainty of ±0.5 V. What is..
Question: A student measures the time period of a pendulum as 2.0 s with an uncertainty of ±0.1 s. W..
Question: If the mass of an object is measured as 10.0 kg with an uncertainty of ±0.2 kg, what is th..
Question: A measurement of length is recorded as 5.0 cm with an uncertainty of ±0.1 cm. What is the ..
Question: How many significant figures are in the number 0.004560?Options: 3456Correct Answer: 4Solu..
Question: What is the standard unit of temperature in the SI system?Options: CelsiusFahrenheitKelvin..
Question: Which of the following is the correct conversion of 1 kilometer to meters?Options: 100 m10..
Question: The unit of pressure in the SI system is:Options: PascalBarTorrAtmosphereCorrect Answer: P..
Question: What is the value of 1 light year in meters?Options: 9.46 × 10^15 m3.00 × 10^8 m1.08 × 10^..
Question: Which of the following is NOT a fundamental quantity?Options: LengthMassTimeForceCorrect A..
Question: If the length of a side of a cube is measured as 2.0 ± 0.1 m, what is the maximum possible..
Question: What is the dimensional formula for energy?Options: [M^1 L^2 T^-2][M^1 L^1 T^-2][M^1 L^2 T..
Question: Which of the following is a derived unit?Options: MeterKilogramSecondNewtonCorrect Answer:..
Question: What is the SI unit of force?Options: NewtonPascalJouleWattCorrect Answer: NewtonSolution:..
Question: What is the primary reason for using insulation in buildings?Options: To prevent conductio..
Question: Which of the following factors does NOT affect the rate of heat transfer by conduction?Opt..
Question: What is the unit of thermal conductivity?Options: W/m·KJ/kg·KK/WJ/m·sCorrect Answer: W/m·K..
Question: Which of the following is an example of convection?Options: Heating a metal rod in a flame..
Question: What is the Stefan-Boltzmann law related to?Options: ConductionConvectionRadiationThermal ..
Question: If two objects are in thermal contact, what will happen to their temperatures over time?Op..
Question: What is the main mechanism of heat transfer in liquids and gases?Options: ConductionConvec..
Question: In which process does heat transfer occur without any physical movement of the material?Op..
Question: Which of the following materials is the best conductor of heat?Options: WoodAirCopperGlass..
