Search
Question: A wave has a frequency of 500 Hz and a wavelength of 0.68 m. What is the speed of the wave..
Question: The restoring force in simple harmonic motion is directly proportional to: (2023)Options: ..
Question: In a simple harmonic oscillator, if the mass is doubled, what happens to the time period? ..
Question: The maximum displacement from the mean position in simple harmonic motion is called: (2019..
Question: What is the phase difference between two particles executing simple harmonic motion in pha..
Question: What is the angle of diffraction for the first minimum in a single-slit diffraction patter..
Question: In a diffraction pattern produced by a single slit, what happens to the central maximum wh..
Question: In a Newton\'s rings experiment, if the radius of the nth dark ring is r_n, what is the re..
Question: What is the wavelength of light if the first-order maximum occurs at an angle of 30° in a ..
Question: A ray of light strikes a plane surface at an angle of incidence of 30 degrees. What is the..
Question: Which of the following statements is true for a convex mirror? (2020)Options: It forms rea..
Question: Which of the following processes involves the emission of a positron? (2019)Options: Alpha..
Question: What is the significance of the mass defect in a nucleus? (2023)Options: It indicates the ..
Question: What is the primary product of the fusion of hydrogen nuclei? (2022)Options: HeliumCarbonO..
Question: In Random Forests, what does the term \'out-of-bag error\' refer to?Options: Error on the ..
Question: What is the main purpose of using cross-validation when training a Decision Tree?Options: ..
Question: Which of the following techniques can be used to handle missing values in Decision Trees?O..
Question: What does the term \'feature importance\' refer to in the context of Random Forests?Option..
Question: Which evaluation metric is most appropriate for assessing the performance of a Decision Tr..
Question: What is the role of \'bootstrap sampling\' in Random Forests?Options: To select features f..
Question: In a Decision Tree, what does the term \'Gini impurity\' refer to?Options: A measure of th..
Question: Which of the following describes the emission spectrum of hydrogen? (2023)Options: Continu..
Question: A 1 kg ball is thrown upwards with a speed of 20 m/s. What is the maximum height it reache..
Question: A 2 kg block slides down a frictionless incline of height 3 m. What is its speed at the bo..
Question: A 20 kg object is moving with a velocity of 5 m/s. What is its kinetic energy? (2021)Optio..
Question: A 12 kg object is pulled with a force of 48 N. If the frictional force is 12 N, what is th..
Question: An object is at rest on a frictionless surface. If a force of 50 N is applied, what will b..
Question: A force of 30 N is applied to a 3 kg object. What is the resulting acceleration? (2020)Opt..
Question: A 5 kg object is moving with a velocity of 10 m/s. What is its momentum? (2021)Options: 50..
Question: If a 2 kg object is subjected to a net force of 10 N, what will be its acceleration? (2022..
