An inventor notices that a soap bubble is dark at its thinnest and realizes that destructive interference is taking place for all wavelengths. How could she use this knowledge to make a non-reflective coating for lenses that is effective at all wavelengths?

Q: A 60 watt electric bulb loses its energy entirely by radiation from the surface of filament. If the…

A: We need to compute-Temperature of filament (T)=?The data given as-Power dQdt=60 wattArea of filament…

Q: Calculate the energy required to divide a 4He nucleus into: a) ³H+ p b) ³He+ n знет Explain the…

A: We are given the division of helium to the different types. The energy required for division is the…

Q: Based on what you know about Kirchhoff’s laws of spectroscopy, explain how the Sun’s  light can be…

A: Kirchhoff gave 3 laws of spectroscopy.   The first law states a continuous spectrum is produced by a…

Q: The study of distributions of carbon dioxide (CO₂) and carbon monoxide (CO) in the atmosphere is an…

A: Given, mCO2=44umCO=28uT=290K

Q: The earth moves round the sun in a circular orbit of radius 1.5 × 108 km. Calculate B. E. of the…

A: We have to compute-Binding energy of earth (BE)=?Given that-Mass of sun (Ms)=2×1030 kgRadius of…

Q: 6) The conducting spherical shell with the inner radius a and outer radius b as shown in the figure…

A: A conducting shell is given which is having the inner radius as a and outer radius as b. Given…

Q: : Find the frequency of waves emitted from radio station.

A: We need to compute-Frequency of waves emitted from radio station (n)=?The data given as-Wavelength…

Q: 4. What is the percentage strength (v/v) if 225 g of a liquid having a specific gravity of 0.8 is…

A: We know that specific gravity is the density of liquid divided by  density of water at 4 degree. We…

Q: Consider each of the following statements. If the error introduced is systematic write S and if…

A:

Q: Deleumine value of univerrual. gas constant. If pressciue exented. by 4.0.32gm of hydungen occupying…

A: We have to compute-Value of universal gas constant (R)=?The data given as-Pressure (P)=2.703×105…

Q: d. Determine the velocity of the person relative to the water (with direction) e. Determine the…

A: Dear student as per the guidelines I will be answering only parts d and e.   Given, Penny drops leaf…

Q: Question 5. Assume the amount of sunlight falling on the land where the owl pellets were collected…

A: Given :- sunlight energy =4500 kcal/m² / day.

Q: Find the partial derivative of the x component of the given function: -x(x2+y2+z2)-3/2

A: Given, The function fx,y,z=-xx2+y2+z2-32

Q: What is the mechanical potential energy of an electron at the center of a gold nucleus 197 79Au…

A: We know that-Mechanical potential energy, V=qQ4πε0r      Equation 01'q' is the charge of the…

Q: 4. A cube of wood floating in water supports a 200g mass, when the mass is removed the cube rises 5…

A:

Q: Calculate BE of the moon en it's oubit round the earth. Giun G = 6.67×10" SI units. Mass of earth -…

A: We need to compute- B.E. of moon=? The data given as- Mass of earth (M)=6×1024 kgMass of the…

Q: goes from -∞ to +∞. salg 0.1 loe 18. Normalize the wavefunction, = (2-)e . alpos 90

A:

Q: If a mass on a spring is periodically struck with a hammer, how does thebehavior of the mass depend…

A:

Q: Homework: Practice with Force Diagrams Instructions: Construct system schemas and force diagrams for…

A:

Q: A very long, straight coaxial cable consists of a copper core of radius a surrounded by a cladding…

A:

Q: 1. A spherical balloon 6 m. in diameter is filled with helium gas 0.1785 kilogram per cubic meter.…

A: Solution: The maximum weight that can be lifted by the balloon can be obtained by equating all the…

Q: A cylindrical shell has length L, inner radius R₁, outer radius R₂, and between R₁ and R₂ has…

A:

Q: 8 ··········· 2 3 1 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ··1... 23 17... *** <1 Question 9…

A: Answer: The correct option is Option C.

Q: The battery in the middle wire is flipped around, and the switch is opened, as shown at right. Rank…

A: Given, The battery is flipped in middle branch and switch is opened.

Q: A name brand 60 W CFL uses 13 watts, produces 801 lumens, and costs $4.49. As an alternative, a…

A:

Q: In Searle's experiment, which is used to find Young's modulus of elasticity, the diameter of…

A: We are aware that the experimental wire in Searle's experiment, which determines the Young's modulus…

Q: 4. (a) Find the tension in each cable supporting the 600-N cat burglar in Figure (b) Suppose the…

A:

Q: Find RMS velocity of three molecule having velocities 10 km / s, 20 km / s, 30 km/s.

A: We need to compute-RMS velocity (C2)=?The data given as-C1=10 km/sC2=20 km/sC3=30 km/s

Q: Find RMS velocity of three molecule having velocities 10 km/s, 20 km / s, 30 km/s.

A: We need to compute-RMS velocity (C2)=?The data given as-C1=10 km/sC2=20 km/sC3=30 km/s

Q: A slit of width d is placed in front of a lens of focal length 0.5 m and is illuminated normally…

A: We are aware that a slit of width d is positioned in front of a lens with a focal length of 0.5 m…

Q: A geostationary satellite is orbiting the earth at a height of 6R above the surface of the earth…

A: We are aware that a geostationary satellite orbits the planet at a height of 6R above the surface,…

Q: Verify that the points are the vertices of a parallelogram, and find its area. A(1, 1, 3), B(10, -2,…

A:

Q: . An air column closed at one end has length of 44 cm. It resonates with tuning fork of frequency 20…

A: Formula Used : Velocity = 4*n*L where n is frequency and L is the length.

Q: Sketch a graph of the entropy of a two state spin system as a function of magnetic field at a…

A: The spins are +1/2 and -1/2 Magnetic field=B Energy associated with magnetic field, E=±μBBThe…

Q: ork concentration profile c(r) of molecules in a centrifuge, which is Nelson's Eq. A sample is…

A: In a rotating frame, there exist centrifugal force and centrifugal potential energy. The molecules…

Q: A body is raised to a height (nR) from The surface of earth of radius. (R). Show that ratio of…

A: We need to compute-gg'=?We need data given as-Height (h)=nRRadius of earth=R

Q: Saturn has an angular size of 16”, and an observed Synodic Period of 1.035yrs. Saturn’s moon, Titan…

A: Given , The Synodic Period of Saturn is 1.035 years. Using Sidereal Period of Saturn, we have to…

Q: 3. For an active medium of length L=10cm and having lasing atoms with cross section area and…

A: Given, Length, L=10cmL=z=0.1m σ(N2-N1)=0.1cm-1σ(N2-N1)=10m-1 Initial photon flux,F0=1×1020s-1 The…

Q: Aluminium is trivalent with atomic weight 27 g/mole and density 2.7×10³ kg/m³, whilst the mean free…

A: Given that: Atomic weight, M=27 g/moleDenisty, ρ=2.7×103 kg/m3Mean time, T=4×10-14 sLength of the…

Q: A 0.620 kg PYREX® glass calorimeter contains 0.400 kg of water at 12.8°C (both in thermal…

A:

Q: Apply the methods discussed to construct free-body diagrams for the situations described below. 1. A…

A:

Q: How fast does our beautiful Earth spin around its own axis? In other words, what is the tangential…

A: Have a look dear . I have solved this question

Q: Show that the divergence of a curl is always zero and verify your answer using the example = 3y³z²î…

A:

Q: A syringe which has an inner diameter of 0.600 mm is attached to a needle with an inner diameter of…

A: We are given the blood pressure. We first convert this to pascals. We are given the diameter of the…

Q: An artificial satellite is moving in a circular orbit around the Earth with a speed equal to half…

A: Considering that an artificial satellite is orbiting the Earth in a circular fashion at a speed that…

Q: Q2. A thin square wooden slab was freely rotating on the frictionless surface (like an ice) with…

A: Given: Let us consider the given, Angular velocity=ωi Side of the slap=L Thickness of the slap=h…

Q: The primary mirror of the orbiting telescope has a diameter of 6.7 cm. being in orbit, this…

A:

Q: A vehicle accelerates in a straight road from rest to 15m/s in 5s. What is the magnitude of…

A: Let initial velocity of vehicle is = u        Final velocity of vehicle = V  We have given As…

Q: What frequency of sound traveling in air at 40 °C has a wavelength of 0.50 m?

A: We have given  Wavelength λ= 0.50 m Temperature T = 40°c We know that Speedof sound in air at 40°c…

Q: A proton travels through uniform magnetic and electric fields. The magnetic field is in the negative…

A: