Search
Question: Which of the following numbers has the least significant figures?Options: 0.005600.05600.5..
Question: When dividing 100.0 by 4.00, what is the correct answer considering significant figures?Op..
Question: If a measurement is recorded as 0.007890, how many significant figures does it have?Option..
Question: What is the product of 3.00 and 2.5, considering significant figures?Options: 7.57.507.500..
Question: If the area of a rectangle is calculated as 30 m² with an uncertainty of ±0.5 m², what is ..
Question: A speed is measured as 20 m/s with an uncertainty of ±0.5 m/s. What is the absolute error ..
Question: A length is measured as 15.0 m with an uncertainty of ±0.3 m. What is the fractional error..
Question: What happens to the thermal energy of a substance when it undergoes a phase change?Options..
Question: In which process does a gas do work on its surroundings?Options: Isothermal expansionAdiab..
Question: If 100 g of water at 0°C is mixed with 100 g of water at 100°C, what will be the final tem..
Question: What happens to the internal energy of an ideal gas when it is compressed adiabatically?Op..
Question: What is the work done by the system when it expands against a constant external pressure?O..
Question: In a seesaw, if one child exerts a force of 30 N at a distance of 2 m from the pivot, what..
Question: A force of 50 N is applied at an angle of 60 degrees to the lever arm of length 1 m. What ..
Question: A torque of 5 Nm is applied to a wheel. If the radius of the wheel is 0.25 m, what is the ..
Question: If a rolling object has a mass m and radius r, what is the expression for its total kineti..
Question: In rolling motion, which type of energy is associated with the rotation of the object?Opti..
Question: A sphere rolls down a ramp. If the height of the ramp is h, what is the speed of the spher..
Question: A disk and a ring of the same mass and radius are released from rest at the same height. W..
Question: A ball rolls without slipping on a flat surface. If the ball\'s radius is doubled, how doe..
Question: If a hollow cylinder rolls down an incline, how does its acceleration compare to that of a..
Question: What type of surface interaction is primarily responsible for the adhesion of paint to a w..
Question: Which principle explains the shift in equilibrium when a stress is applied to a system?Opt..
Question: In electrochemistry, what does the Nernst equation relate to?Options: Concentration and pr..
Question: What is the primary driving force for the formation of a precipitate in a double displacem..
Question: Which factor does NOT affect the rate of a chemical reaction?Options: Concentration of rea..
Question: What is the hybridization of the central atom in methane (CH4)?Options: spsp2sp3sp3dCorrec..
Question: In which type of reaction is the bond dissociation energy most relevant?Options: Endotherm..
Question: Which molecular geometry is associated with a molecule that has two bonding pairs and no l..
Question: What is the primary type of bond formed between sodium and chlorine in table salt?Options:..