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Question: In a concentration cell, the two half-cells have: (2019)Options: Different electrodesSame ..
Question: What is the standard temperature and pressure (STP) in Kelvin and atm? (2020)Options: 0 K ..
Question: In which real-world application is K-means clustering often used?Options: Spam detection i..
Question: What type of data is best suited for hierarchical clustering?Options: Large datasets with ..
Question: Which of the following is not a step in the process of condensation polymerization? (2023)..
Question: Which of the following statements is true about alkenes? (2019)Options: They contain at le..
Question: Which of the following compounds is an isomer of butane? (2021)Options: 2-methylpropanePen..
Question: What is the time period of a wave with a frequency of 20 Hz? (2022)Options: 0.05 s0.1 s0.2..
Question: A wave has a frequency of 50 Hz and a speed of 340 m/s. What is its wavelength? (2021)Opti..
Question: A wave on a string has a frequency of 10 Hz and a wavelength of 2 m. What is the speed of ..
Question: A tuning fork produces a sound wave of frequency 440 Hz. What is the wavelength of the sou..
Question: What is the significance of the wave function in quantum mechanics? (2023)Options: It desc..
Question: What is the energy of a photon emitted when an electron transitions from n=3 to n=2 in a h..
Question: In a nuclear reaction, if a nucleus emits an alpha particle, what happens to its atomic nu..
Question: What is the principal quantum number of an electron in the ground state of a hydrogen atom..
Question: If the wavelength of light is halved, what happens to the energy of the photons? (2020)Opt..
Question: What is the minimum energy required to remove an electron from a metal surface with a work..
Question: Which of the following statements is true regarding the uncertainty principle? (2023)Optio..
Question: What is the de Broglie wavelength of an electron moving with a velocity of 1 x 10^6 m/s? (..
Question: In the photoelectric effect, if the frequency of incident light is doubled, what happens t..
Question: Which of the following compounds is known for its antibacterial properties? (2023)Options:..
Question: Which of the following is a characteristic of essential amino acids? (2019)Options: Can be..
Question: Which of the following is a common source of dietary fiber? (2020)Options: MeatDairyFruits..
Question: What is the role of the \'k\' parameter in K-means clustering?Options: It determines the m..
Question: Which of the following is NOT a common application of clustering methods?Options: Market s..
Question: Which of the following compounds is a tertiary amine? (2022)Options: MethylamineEthylamine..
Question: What is the product of the reaction between ammonia and an alkyl halide? (2023)Options: Am..
Question: Calculate the gravitational potential energy of a 2 kg mass at a height of 5 m. (g = 9.8 m..
Question: Which of the following is a property of aldehydes? (2023)Options: They are generally more ..
Question: What is a common application of clustering in the real world?Options: Image classification..
