Search
Question: The restoring force in simple harmonic motion is directly proportional to what? (2022)Opti..
Question: In a simple harmonic motion, the maximum velocity occurs at which point? (2019)Options: At..
Question: A tuning fork vibrates at a frequency of 440 Hz. What is the time period of its vibration?..
Question: What is the phase difference between two particles executing simple harmonic motion in the..
Question: A pendulum has a length of 1 m. What is its time period? (2023)Options: 2 s1 s0.5 s0.25 sC..
Question: If the amplitude of a simple harmonic motion is doubled, what happens to the total energy ..
Question: The frequency of a simple harmonic oscillator is 5 Hz. What is its angular frequency? (202..
Question: In a concave lens, the focal length is: (2023)Options: PositiveNegativeZeroInfiniteCorrect..
Question: The critical angle for total internal reflection occurs when light travels from: (2019)Opt..
Question: What happens to the image distance when the object is moved closer to a concave mirror? (2..
Question: A plane mirror produces an image that is: (2023)Options: Real and invertedVirtual and erec..
Question: If the radius of curvature of a convex mirror is 20 cm, what is its focal length? (2022)Op..
Question: Which of the following is NOT a characteristic of Random Forests?Options: They use multipl..
Question: In which scenario would you prefer using a Decision Tree over a Random Forest?Options: Whe..
Question: What does \'bagging\' refer to in the context of Random Forests?Options: A method to combi..
Question: What metric is often used to evaluate the performance of a Decision Tree?Options: Mean Squ..
Question: Which of the following is a common use case for Random Forests?Options: Image recognition...
Question: In a Decision Tree, what does the term \'node\' refer to?Options: A point where a decision..
Question: What is a primary advantage of using Random Forests over Decision Trees?Options: Random Fo..
Question: What is the role of doping in semiconductors? (2022)Options: To increase resistanceTo decr..
Question: Which of the following is a characteristic of a Zener diode? (2019)Options: Used for recti..
Question: What is the function of a diode in a circuit? (2020)Options: To store energyTo amplify sig..
Question: What is the effect of temperature on the conductivity of intrinsic semiconductors? (2021)O..
Question: In a PN junction diode, what happens when it is forward biased? (2019)Options: Depletion r..
Question: Which of the following is a p-type semiconductor? (2020)Options: Silicon doped with phosph..
Question: What is the energy band gap of a typical semiconductor? (2021)Options: 0.1 eV1.1 eV2.0 eV3..
Question: What type of decay involves the conversion of a proton into a neutron? (2019)Options: Alph..
Question: Which element is commonly used in nuclear reactors as fuel? (2022)Options: Uranium-235Carb..
Question: What is the main force that holds the nucleus together? (2020)Options: Electromagnetic for..
Question: What is the process called when a nucleus emits an alpha particle? (2019)Options: Beta dec..
