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Question: In a real-world application, which of the following scenarios is most suitable for linear ..
Question: What does R-squared indicate in a linear regression analysis?Options: The strength of the ..
Question: What happens to the speed of light as it passes from air into water? (2022)Options: Increa..
Question: A lens has a focal length of 15 cm. What is the power of the lens? (2023)Options: +6.67 D+..
Question: If the radius of curvature of a concave mirror is 20 cm, what is its focal length? (2022)O..
Question: What is the nature of the image formed by a convex lens when the object is placed beyond t..
Question: What is the focal length of a concave mirror if an object placed at a distance of 30 cm pr..
Question: Which of the following is used to create a p-n junction? (2020)Options: DopingIonizationSu..
Question: Which of the following is a characteristic of a semiconductor? (2023)Options: High conduct..
Question: In a p-n junction, which type of charge carriers are predominant in the p-type region? (20..
Question: What is the ionization energy of an atom? (2023)Options: Energy required to remove an elec..
Question: In the hydrogen atom, which transition would emit the photon with the highest energy? (201..
Question: A 3 kg object is moving with a velocity of 2 m/s. What is its kinetic energy? (2021)Option..
Question: A 2 kg ball is dropped from a height of 10 m. What is its speed just before it hits the gr..
Question: Which of the following applications is NOT suitable for linear regression?Options: Predict..
Question: How can you improve a linear regression model that is underfitting?Options: Add more featu..
Question: What is the assumption of linearity in linear regression?Options: The relationship between..
Question: What does the coefficient in a linear regression model represent?Options: The strength of ..
Question: In which scenario would you use linear regression?Options: Predicting customer churnForeca..
Question: Which planet has the highest gravitational acceleration? (2020)Options: EarthJupiterMarsVe..
Question: What is the direction of the magnetic field produced by a current-carrying wire when viewe..
Question: Which of the following statements is true regarding the magnetic field due to a solenoid? ..
Question: A circular loop of wire carrying current produces a magnetic field. What is the shape of t..
Question: If the voltage across an inductor is 100 V and the current through it is 2 A, what is the ..
Question: If two charges of +2 µC and -2 µC are placed 1 m apart, what is the net electric field at ..
Question: What is the potential difference between two points in an electric field of 400 N/C separa..
Question: A charge of +5 µC is placed in an electric field of 300 N/C. What is the work done in movi..
Question: What is the electric field due to a point charge of +10 µC at a distance of 0.1 m? (2023)O..
Question: What is the purpose of regularization in linear regression?Options: To increase the number..
Question: If the current through a resistor is 5A and the resistance is 10Ω, what is the voltage acr..
