Define the activity of a radionuclide. Write its S.I. unit. Give a plot of the activity of a radioactive species versus time. How long will a radioactive isotope, whose half life is T years, take for its activity to reduce to 1/8th of its initial value?
Q: The spectrum of a star is used to measure its radial velocity with respect to the Sun, the component...
A: a. Given, The wavelength of three line in the spectrum of atomic iron of the star HDE 271 182 are :...
Q: (a) The colour temperature can be determined from two magnitudes corresponding to two different wave...
A: To show that : Tc = 7000 K(B-V) +0.47 where, wavelength of B band, λB= 440 nm ...
Q: The characteristic of ____ is used in the breaking pads of cars. A) negative effect of friction B) z...
A: weight impulse force tension action is used in breaking pads. In this system when we applied force ...
Q: Differentiate between a ray and a wave front.
A: Given, A ray and wave front
Q: start from maxwell equations.(7.6a) (7.6b) (7.6c) (7.6d) to derive equation(7.13) in differential fo...
A: The calculus identity of curl of curl of a vector is given as follows: ∇×∇×A→=∇(∇·A)→-∇2A→ The wave ...
Q: Two charges 91 -Q and q2 =3.3Q are separated by a distance d. The electric force between them is equ...
A: Given: case1:q1=Qq2=3.3Qdistance=d F=kq1q2d2F=k(Q)(3.3Q)d2F=k3.3Q2d2 …………(1) case 2:q1=2.76Qq2=3.3Qd...
Q: (a) Use Gauss’s theorem to find the electronic field due to a uniformly charged infinitely large pla...
A: The force F experienced by a charge particle q in an electric field E is given by F=qE ...
Q: Use Huygens’s principle to explain the formation of diffraction pattern due to a single slit illumin...
A: Huygens's principle Consider a slit of width a, the parallel beam of monochromatic light incident no...
Q: The formula d rt models the distance d traveled by anobject moving at the constant rate r in time ...
A: We have the given expression of, d=r×t here, d is the distance, r is the rate t is the time Now, ...
Q: A spring is hung vertically with one end attached to the fixed beam and the other holding a mass. Th...
A:
Q: Show on a plot the nature of variation of photoelectric current with the intensity of radiation inci...
A: The above graph shows the linear variation of Photoelectric current with the intensity of incident r...
Q: Consider a square of charges of side length 4.4 m. Each corner of the square has an identical 6.6 x...
A: Electric Potential The electric potential due to a charge at a point is the amount of work done in b...
Q: 4. Using Planck formula, find the energy density u; at wavelength = 1 nm at temperature T=500 K, whe...
A:
Q: On a square wireframe with side length a in empty space, there is a linear charge density ρl. Write ...
A:
Q: Show all working explaining detailly each step. Answer Qb
A:
Q: In hydrogen atom, an electron undergoes transition from 3rd excited state to the first excited state...
A: a)when electron comes from any state to n=2(First excited state) ,It falls in Balmer series. b)when ...
Q: 2. Calculate the total intensity I=J, I(2)da emitted at absolute temperature T from a blackbody usin...
A:
Q: An experiment is carried out for liquid of density, p and viscosity, µ which flows freely under the ...
A: The variables are, ρ,µ,g,d,D,h The Buckingham theorem leads to 4 coefficients, as, π1=ραgbhcT a=0...
Q:
A:
Q: The capacitor, C1 = 1.2 pF, in the circuit below begins with no stored charge. At t = 0 seconds, the...
A: Capacitance C1 = 1.2 pF = 1.2 × 10- 12 F Resistance R1 = 9.1 MΩ = 9.1 × 106 Ω time t = 4.2 μsec = 4....
Q: How might you determine the focal length more accurately?
A: Part 1: The focal length can be measured more accurately by making more observations.
Q: Direction: Solve the total resistance, Total current, and Voltage drop. Parallel Circuit
A: Given- Voltage (V) = 9 V Resistance (R1 ) = 10 kΩ R2 = 2 kΩ R3= 1 kΩ Resistance R1, R2 and R3 are ...
Q: Show all working explaining detailly each step.
A:
Q: A negative charge.q, enters the electric field E as shown in the figure with an initial speed of vo ...
A: Given: The negatively charged q enters the electric field E with initial velocity of v0. The electri...
Q: The electrical power output of a large nuclear reactor facility is 900 MW. It has a 35.0% efficiency...
A: Now a days , Nuclear reactors are the main source of energy , to produce electricity, In Nuclearpowe...
Q: Seismic waves are used to infer properties of subsurface geological structures, where sound is propa...
A: Part a: As x = 0 an x = 5 are the nodes of the oscillation. Therefore, Also, the velocity of the me...
Q: On a square wireframe with side length a in empty space, there is a linear charge density ρl. Calcul...
A: We have the given data- The potential V is given as, V=2ke The expression for potential is V=keαρlr...
Q: Consider a spherically symmetric distribution of charge where the charge density as a function of di...
A:
Q: TOPIC: SPECIAL RELATIVITY
A: 25) Question : To show ν¯ν =1-v cos θ1-v2 ----(2.42) Given : -p⇀.U⇀obs = E...
Q: Q8 / The field density vector is parallel to the plane of the coil or loop, or the area vector is pe...
A: As given, the magnetic field vector is parallel to the plane of the coil. The area vector of any sur...
Q: Show all working explaining detailly each step.
A: Solution: a) A simple harmonic motion(SHM) is a special type of periodic motion in which the restori...
Q: The principal decay mode of the sigma zero is ∑0 → ʌ0 + ϒ . Considering the quark structure of the t...
A: Given: ∑o → ∧o +γ The quark structure is given as, ∑o=uds ∧o=uds
Q: On February 20, 1962, John Glenn made the first U.S.-manned flight around the Earth for three orbits...
A: Given :Orbit of friendship = r =4090.761 -0076 cos θ Radius of earth R= 3960 miles
Q: A semielliptical arch supports a bridge that spans a river 20 yards wide. The center of the arch is ...
A: Given :Width of river = 20 yardsdistance between centre of the arch and river = 6 yards
Q: On a square wireframe with side length a in empty space, there is a linear charge density ρl.Write t...
A:
Q: H,C-CH,-C-N-CH, + NAOH heat
A: Hydrolysis of amide group in acidic medium results into formation of carboxylic acid and ammonium sa...
Q: On a square wireframe with side length a in empty space, there is a linear charge density ρl.Calcula...
A: The electric potential at a specific point is given by; work is done to bring the charge from the in...
Q: Show all working explaining detailly each step.
A:
Q: A 565 kg roller coaster is poised at the top of a 102.5 m hill. How fast will the roller coaster be...
A: How fast will the roller coaster be moving at the bottom of the incline (h=0). given, mass of rolle...
Q: In our model of sound we found (in a homework assignment) that the maximum molecular displacement sm...
A: Sound travels as vibrations of molecules in air. Sound waves are longitudinal in nature, with period...
Q: Average Temperature for Arica, Chile (ºF) Jan Feb Mar Apr May Jun Jul Aug ...
A: The Average temperature of all this 12 months are TAvg = 74+74+73+69+66+63+62+62+63+65+68+7112 = 67...
Q: Consider a particle of charge 8.8 that is traveling with speed 90 m/s in a direction that is 19 degr...
A: The direction of the velocity of the particle and magnetic field is drawn in the following diagram. ...
Q: Question: Rocket A leaves a space station with a speed of 0.826c. Later, rocket B leaves in the sam...
A: Given: The velocity of rocket A is v=0.826c. The velocity of rocket B is u=0.635c. The formula to ...
Q: What is sky wave propagation?
A: The sky wave propagation is a type of radio wave propagation. When the electromagnetic wave is refle...
Q: Graph options in the answer choices for a and b are the same
A:
Q: Why are coherent sources necessary to produce interference in Young’s double slit experiment? Light ...
A: Interference Interference is a phenomenon where two or more waves superimpose to give a resultant w...
Q: Use the four equations to solve:
A: Solution Given below:
Q: true or false A supernova core with a mass 2X that of the Sun produces a Black Hole
A: The Sun need to be concerning 20X additional large to finish its life as a black hole. Stars that ar...
Q: (a) Explain two features to distinguish between the interference pattern in Young’s double slit expe...
A: Different features of Young' double-slit experiment and diffraction through a single slit are, S....
Q: Answer the following questions: (i) In a double slit experiment using light of wavelength 600 nm, th...
A: Given: The wavelength of light is λ=600 nm. The angular width of the fringe is θ=0.1∘. The formula...
Define the activity of a radionuclide. Write its S.I. unit. Give a plot of the activity of a radioactive species versus time.
How long will a radioactive isotope, whose half life is T years, take for its activity to reduce to 1/8th of its initial value?
Step by step
Solved in 2 steps with 2 images
