8. Find and expression for Electric field formed by a quarter of a charged ring with radius of R. (b) Using that expression in below figure find total electric field formed at center of rings at point P formed by three different charged rings with different radius. 2-5ouc R,=10cm RI

Q: What is the Kinetic Energy of 2 g of oxygen at -23℃? a) 186.2 J b) 194.86 J c) 201.45 J d) 256.32 J

A: B

Q: Nova are thought to occur in a system, X, in which a white-dwarf star orbits a red giant star. What ...

A: B

Q: Explain Newton's Laws of Motions- Derive the formulas- Describe the applications for each law

A: Newton's first  law is Law of Inertia , in which a body is in rest will remain at rest or body is in...

Q: One hazard of space travel is debris left by previous missions. There are several thousand masses la...

A: The solution is given below:

Q: For 3-D system, the Schrödinger equation changes. a) True b) False

A: False

Q: Discuss ethical decisions that  project managers often face .do you think a professional code of eth...

A: Project managers have to face various ethical issues every day. The major problem is that they are n...

Q: Which of the following system matches with the SI unit system? a) FPS b) MKS c) CGS d) American syst...

A:  B

Q: A flat mirror is neither converging nor diverging. To prove this, consider two rays originating from...

A: The diagram shows that two incident rays with segment of AB which gives triangle OAB. The reflected ...

Q: The dimension whose unit does not depend on any other dimension’s unit is known as ________ a) Funda...

A: A

Q: As the size of the quantum dots decreases, does thewavelength of the emitted light increase or decre...

A: To answer: As the size of the quantum dots decreases does thethe wavelength of the emitted light inc...

Q: The probability of finding an electron is uniform in every direction is in which orbital? a) s b) p ...

A: A

Q: The solution of Schrodinger wave equation for Tunnel effect is of the form ____________ a) Aeikx+ Be...

A:  C

Q: Black holes are ___________ a) Dead stars b) Old Supernovas c) Strong Nebulas d) Dead planets

A: A

Q: In massive stars, when the core has fused carbon into every possible matter, the iron core shrinks f...

A: A

Q: Can you tell whether the net flux through the Gaussian surface is positive, negative, or zero? Expla...

A: D. If a flux is entering the surface then flux is negative and if it is leaving the surface then it ...

Q: A 1-kg bird sits on the middle of a clothesline whose supports are 10 m apart. The clothesline sags ...

A: To solve this question, we will use the concept of equilibrium of forces. Given, Mass of the bird m=...

Q: *? Which of the following does NOT correctly show the complex conjugate, w(¢) = e'n$ and w*($) = e¬i...

A:

Q: Which mathematical quantity is imagined to be present at the center of a black hole? a) Unity b) Sin...

A: Answer:-   Option (b) correct. Singularity

Q: Calculate the binding energy per nucleon of a boron nucleus ( 10B) in J/nucleon. (Given mass of neut...

A:

Q: Which of the following quantum number gives the shape of atomic orbital of sub-shell? a) n b) l c) m...

A: B

Q: Nodes are the plane where the probability of finding an electron is 1. a) True b) False

A: B

Q: A photon of energy 4.1 MeV is incident on a lead nucleus, causing the creation of electron-positron ...

A: B

Q: Total Energy is quantized but not angular momentum of the quantum particle. a) True b) False

A: A

Q: Which of the following devices cannot measure distance? a) Vernier Calipers b) Micrometer c) Ruler d...

A: D

Q: The net force on a body varies with time according to the equation below. What is the impu ed to the...

A: I=∫0 s2.0 sFtddt=∫0 s2.0 s3t2+4t-2dt=t3+2t2-2t0 s2.0 s

Q: Question What is ECM? Explain theoretically and mathematically?

A: Introduction: ECM stands for Electrochemical machining. The noteworthy feature of electrolysis is th...

Q: An electron is released from rest at a distance of 0.570 m from a large insulating sheet of charge t...

A: Conservation of energy states that energy is neither created nor destroyed, it is only transferred f...

Q: A chunk of ice (T = -20°C) is added to a thermally insulated container of cold water (T = 0°C). What...

A: Given data, Temperature of the ice = -20 0C temperature of the water = 0 0C

Q: The difference between fermions and bosons is that bosons do not obey ______ a) Aufbau principle b) ...

A: B

Q: Which of the following can be a wave function? a) tan x b) sin x c) cot x d) sec x

A: B

Q: The figure below represents a graph of the electric potential in a region of space versus position x...

A: Electric field is defined as the negative gradient of potentialFor 1d electric fields, E=-dVdxPotent...

Q: Determine the number of significant figures in the following measurements: (a) 0.0009 (b) 15,450.0  ...

A: a) given,0.0009number of significant figure is =1b) given,15,450.0number of significant figure is =6

Q: Which of the following can be used to describe how fast an object is moving along with the direction...

A: C

Q: Cosmology is the branch of science concerned with the ____________ a) Formation of Planets b) Format...

A: C

Q: For all the quantum states with energy greater than Fermi energy to be empty in a Fermi-Dirac system...

A: D

Q: For a particle inside a box of finite potential well, the particle is most stable at what position o...

A: C

Q: Which force can possibly act on a body moving in a straight line? a) Tangential force b) Friction fo...

A: B

Q: In Figure (a), a particle of charge +e is initially at coordinate z = 20 nm on the dipole axis throu...

A: When the charge +e is at distance 20 nm from the dipole center, r=20 nm=20×10-9 mThe potential at th...

Q: A laser rangefinder is locked on a comet approaching Earth. The distance g(x), in kilometers, of the...

A: Given: funtion g(x)= 350000*cosec((π/30) *x) range x=[0,35] 1. value of function for x= 0+ , g( 0+) ...

Q: A 1 kg block is attached to vertical rod by means of two strings. When the system rotates about the ...

A: Given: The mass of the block is m = 1 kg The acceleration due to gravity is g = 10 m/s2 The length o...

Q: Leptons and quarks are called the survivors. a) True b) False

A: A

Q: nebula formed when a dying sun sized star begins to shed its outer layer is called as ____________ a...

A: D

Q: What would be the most probable velocity for one Oxygen molecule at 300 K? a) 612 m/s b) 714 m/s c) ...

A: B

Q: The Schrodinger for the particle inside a finite potential well becomes ____________ a) x > 0 b) ...

A: C

Q: What kind of photon is required for the pair production phenomenon to occur? a) Visible Light Photon...

A: The energy of the γ-ray photon is greater than 1.02 MeV only if it passed to the atomic nucleus (b&l...

Q: A scalar potential of a field is equal to 1/r. Can it be magnetic field? Why?

A: The divergence of magnetic field whether it be due to steady or unsteady current source is always ze...

Q: Identify the primary quantity from the following. a) Mass b) Density c) Speed d) Volume

A: A

Q: The Raman spectrum is said to consist of Strokes lines when ________ a) Δv > 0 b) Δv < 0 c) Δv...

A: A

Q: X-ray crystallography uses which characteristic of light? a) Polarization b) Interference c) Diffrac...

A: X-ray crystallography uses which characteristic of light?