114年hce_nsysu — 物理與化學

共 90 題 · 含 AI 詳解

#1 Atmospheric pressure decreases with altitude, but not in a linear manner. It dec… › #2 There are two tuning forks with frequencies 255 Hz and 251 Hz. When both tuning… › #3 The method to correct hyperopia is to wear a convex lens with an appropriate foc… › #4 In an adiabatic compression of an ideal gas, which of the following statements i… › #5 The method to correct myopia is to wear a concave lens with an appropriate focal… › #6 The arterial blood pressure in the head and feet of a person standing differs fr… › #7 If the ammeter detects a current of $10^{-8}\text{ A}$, how many electrons pass… › #8 An electrocardiogram (ECG) can detect heart activity because the heart can form… › #9 Nyboer theoretically discovered in 1940 that changes in impedance can be used to… › #10 When the observer and the sound source are stationary relative to each other, th… › #11 In a scenario where a patient is sliding down a ramp during rehabilitation, and… › #12 Effectively, a nerve fiber can be considered as being composed of many individua… › #13 High-frequency electromagnetic fields are typically used in medicine to heat int… › #14 X-rays are a commonly used electromagnetic wave in medical imaging technology. U… › #15 The dimensions of stress are ________. › #16 For the Arrhenius equation, $k = \exp(-E_a/RT)$, which of the following statemen… › #17 Which of the following are state functions? › #18 The mass of a sample of calcium carbonate powder is measured using weight by dif… › #19 Which of the following ionic compounds has (in absolute values) the largest latt… › #20 What is the key step in the Heck reaction? › #21 ________ is the upward force exerted on an object in a gaseous or liquid fluid.… › #22 How many electrons in an atom can have the quantum numbers $n = 4, l = 2$? › #23 Which of the following options shows the molecules in the order from most polar… › #24 Lead(II) nitrate reacts with sodium chloride in aqueous solution to form a preci… › #25 Which of the following anions is the strongest base? › #26 Polystyrene is an addition polymer of styrene. What would be the effect, if some… › #27 Which of the following quantum model is most adequate as an approximation to des… › #28 Consider the reaction $2NO_2(g) \rightarrow 2NO(g) + O_2(g)$. The concentration… › #29 A liquid above the packed solid following a centrifugation is called the _______… › #30 Which of the options below shows an INCORRECT chemical formula for the named com… › #31 During the heart's beating process, the activity of cardiomyocytes generates a m… › #32 A particle moving in circular motion on a plane with a radius $r$ has an angular… › #33 Two concentric conducting spheres have an inner sphere of radius a and an outer… › #34 A beam of light traveling from point A to point B (see Figure) undergoes refract… › #35 Consider the circuit in the Figure and assume the battery has no internal resist… › #36 For any given scattering angle $\theta$, this equation $\lambda' - \lambda_0 = \frac{h}{m_ec}(1 - \cos\theta)$… › #37 A fancy sports car passes Big Ben at a speed of 0.600c. What time interval will… › #38 The correct form of the Ampère-Maxwell law is › #39 When a driver is traveling at a speed of $v_1$, they hear the frequency of a dis… › #40 A moving hydrogen atom absorbs a photon and then comes to rest. Assume that the… › #41 As shown in the Figure, a partition divides the space into two sections, A and B… › #42 A parallel-plate capacitor has plates of area $\text{A} = 8\text{ m}^2$ and sepa… › #43 Suppose a coil has a magnetic dipole moment… › #44 Two electric dipoles are placed horizontally along the x-axis, but one of them i… › #45 During human respiration, oxygen passes through the alveoli (肺泡) into the bloods… › #46 The sound intensity level is defined as $L = 10\cdot \log_{10}(I/I_0)$ with the… › #47 Two stars of masses $M$ and $2M$ are in a binary star system, orbiting a common… › #48 A sample of gas is held in a container at a constant pressure. If the volume is… › #49 A person with a volume of $0.08\text{ m}^3$ floats in fresh water (density = $1000\text{ kg/m}^3$… › #50 A steam of water with a constant flow at $1\text{ kg/s}$ cools a machine. The wa… › #51 A hot object at temperature $500\text{ K}$ is moved to contact with a cool objec… › #52 The Figure shows a planet moving about the sun in an elliptical orbit. Its speed… › #53 A patient is undergoing radiation therapy. A radioactive isotope decays and emit… › #54 A patient's prosthetic leg, weighing $5\text{ kg}$, is sliding across the floor… › #55 How long will it take for an oscillator at a frequncy of $2.5\text{ Hz}$ to make… › #56 Cobalt ${}_{27}^{60}\text{Co}$ has a half-life of 5 years. If there was sample o… › #57 Unpolarized light of the intensity $I_0$ passes through two polaroids. The axis… › #58 The following equation shows the decay process of uranium-238 through the emissi… › #59 Suppose a healthy bone can withstand compressive stress of $181\text{ N/mm}^2$ b… › #60 The light intensity incident on a metallic surface produces photoelectrons with… › #61 Arrange the steps below in the order required to perform a Kjeldahl Nitrogen Ana… › #62 What is the product of the following reaction? › #63 Stray light is a problem for spectrophotometers that are not tightly sealed. Wha… › #64 How many unpaired electrons are there in an atom of oxygen in its ground state? › #65 A crystal of NaCl is ________. › #66 Which of the following chemical or physical changes is an endothermic process? › #67 The ________ is the electrode at which the reaction of interest occurs. › #68 Which of the shown molecules fits the fragmentation pattern of the mass spectrum… › #69 Which of the following molecules is optically active? › #70 Rank the following compounds according to increasing solubility in water. I CH₃–… › #71 Nitrogen gas ($N_2$) reacts with hydrogen gas ($H_2$) to form ammonia ($NH_3$).… › #72 The corrosion of which transition metal results in a characteristic green patina… › #73 EDTA is an example of a(n) ________ ligand. › #74 When a molecule absorbs a photon, the molecule is promoted to an excited state M… › #75 A novel analytical method named ________ may enhance the fluorescence of immunoa… › #76 Given that $S = 131\text{ J/K}\cdot\text{mol}$ for $H_2(g)$, estimate the value… › #77 Which of the following exhibits the correct (increasing) orders for the atomic r… › #78 The entropy change of a system ($\Delta S$) is ________ for exothermic reactions… › #79 Using a 400 MHz $^1\text{H}$ NMR instrument, if a hydrogen atom shows a quartet… › #80 What is the product of the following reaction? › #81 There are many types of noise in instrumental analysis. Which of the following d… › #82 One of the optical components of a spectrophotometer that selects the wavelength… › #83 What is the key functional group present in penicillins that is essential for th… › #84 Indium has atomic number 49 and atomic mass 114.8 g. Naturally occurring indium… › #85 The OH radical disproportionates according to the elementary chemical reaction… › #86 The equilibrium process $\text{CaCO}_3 \leftrightharpoons \text{Ca}^{2+} + \text{CO}_3^{2-}$… › #87 For the reaction, $\text{CO}_2(g) + 2\text{H}_2\text{O}(g) \rightarrow \text{CH}_4(g) + 2\text{O}_2(g)$… › #88 The Figure on the right shows the phase diagram for a compound X. You wish to pu… › #89 How many of the following electron configurations for the species in their groun… › #90 What is the product of the following reaction? ›