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Question: If a 4 kg object is lifted to a height of 2 m, what is the work done against gravity? (202..
Question: A car does 5000 J of work in moving a distance of 100 m. What is the average force exerted..
Question: If a 10 N force is applied at an angle of 60 degrees to the horizontal while moving an obj..
Question: The unit of energy equivalent to 1 Joule is: (2023)Options: 1 kg·m²/s²1 N·mBoth 1 kg·m²/s²..
Question: The dimensional formula for energy is: (2020)Options: [M^1 L^2 T^-2][M^2 L^1 T^-2][M^0 L^2..
Question: What is a common use case for Red-Black trees in computer science?Options: Memory manageme..
Question: What is the maximum wavelength of light that can cause the photoelectric effect in a metal..
Question: What is the significance of the Rydberg constant? (2022)Options: It determines the energy ..
Question: What is the principal quantum number of an electron in the third energy level? (2023)Optio..
Question: What is the minimum energy required to remove an electron from a metal surface with a work..
Question: Which of the following materials is a ferromagnet? (2023)Options: CopperAluminumIronGoldCo..
Question: What is the latent heat of fusion if 2000 J of heat is required to melt 500 g of ice? (202..
Question: A gas expands from volume V1 to V2 at constant temperature. If the initial pressure is P1,..
Question: If 1000 J of heat is added to a system and 400 J of work is done by the system, what is th..
Question: What is the work done by an ideal gas during an isobaric expansion if the pressure is 5 at..
Question: A 200 g piece of metal at 100°C is placed in 300 g of water at 20°C. What is the final tem..
Question: In an isothermal process, the temperature of an ideal gas remains constant. If the volume ..
Question: If the radius of the Earth were to increase while keeping its mass constant, what would ha..
Question: What is the gravitational field strength at a distance of 3R from the center of the Earth?..
Question: If a charge of +2μC is placed in an electric field of strength 500 N/C, what is the force ..
Question: Which tree structure is more suitable for applications requiring frequent insertions and d..
Question: Which operation is guaranteed to be O(log n) in a Red-Black tree?Options: InsertionDeletio..
Question: If a magnetic field is increasing at a rate of 0.1 T/s, what is the induced EMF in a coil ..
Question: If the magnetic flux through a coil changes from 0.2 Wb to 0.5 Wb in 2 seconds, what is th..
Question: According to Faraday\'s law of electromagnetic induction, the induced EMF in a circuit is ..
Question: A coil of wire has 100 turns and is placed in a magnetic field of strength 0.5 T. If the a..
Question: A circuit has a 24V battery and a total resistance of 6Ω. What is the current flowing thro..
Question: If a 9V battery is connected to a 3Ω resistor, what is the energy consumed in 10 seconds? ..
Question: A circuit has a total resistance of 8Ω and a current of 4A flowing through it. What is the..
Question: What is the effect of increasing the frequency on the impedance of a capacitor in an AC ci..
