Using Bohr’s equation, calculate the energy change experienced by an electron when it undergoes transitions between the following energy levels.    b) n = 6 →∞

Q: A block of mass m₁ = 3.56 kg on a frictionless plane inclined at angle 8 = 34.9° is connected by a…

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Q: A cat is standing in a front of a door and then walks 10.5 m towards a tree and then climb 3.5 m to…

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Q: Q9) In the compound microscope, the intermediate image formed by the object is O Virtual, moderate…

A: Intermediate image Sequence of lenses arrangement in the optical system images established earlier…

Q: Suppose the wavelength of the light is 430 nmnm . How much farther is it from the dot on the screen…

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Q: A radar wave reaches the target at a time of 2 x 104 sec, the corresponding radar range is

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Q: A hovercraft, also known as an air-cushion vehicle, glides on a cushion of air, allowing it to…

A: We have a hovercraft which has a constant acceleration say 'a' which makes the hovercraft move from…

Q: If the distribution of mass on a string is uniform, which of the following statements is correct for…

A: In a transverse wave motion of the particles is perpendicular to the direction of wave propagation.…

Q: A 10-cm-long thin glass rod uniformly charged to 13.0 nC and a 10-cm-long thin plastic rod uniformly…

A: Given: Length of the thin rods L=10 cm, Charge on glass rod Q=13 nC, Charge on plastic rod -Q or -13…

Q: QUESTION 10 0.3 m 70° m 1 m 4 kN 0.5 m 1.5 m 15 kN m 10 KN 6 kN 0.3 m Replace the three horizontal…

A: Equilibrium of a body:The body is taken into account  to be in an  equilibrium condition  if the…

Q: Find force Mass=0.08 kg Acceleration=2.312 m/s2

A: Given data : Mass=m Acceleration=a   Required : Force

Q: A plane surface of area 10 cm^2 is placed in a uniform electric field of 20 N/C such that the angle…

A: Given that: E=20 N/CA=10 cm2=10-3 m2θ=300∅E=?

Q: Q20) A compound microscope consisting of a shinny lens with a focal length of 10 mm and an eyepiece…

A: Write the expression for the magnification. Here, L is the tube length, D is the distance of near…

Q: 8. Which of the following statements are true about discharging? * 1.The voltage across the resistor…

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Q: An object is 32 cmcm in front of a diverging lens with a focal length of -16 cmcm.     Part A Use…

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Q: (a) Let's call the initial and final state immediately before and after the collision, respectively.…

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Q: You are working as an intern for a meteorological laboratory. You are out in the field taking…

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Q: Plucking a harp string is an example of a free end reflection. a. true b. false

A: Given  Plucking a harp string ia an example of a free end reflection ?

Q: A circuit is pulled with a 21-N force toward the right to maintain a constant speed v. At the…

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Q: According to Hertz frequency formula, which of the following is correct? Frequency = C * Wavelength…

A: Required: Hertz frequency formula

Q: Q/ If F1 = 250 N and F2 = 375 N are two forces, the angle between F1 and the positive y-axis is…

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Q: A 1400kg car is traveling with an initial speed of 25.5m / s . Determine the car's speed after -…

A: Write the given values with the suitable variables. m=1400 kgu=25.5 m/sW=-2×105 J Here, m is the…

Q: In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using…

A: Work done by a constan force is given by W=F→.S→W=FScosθWhere θ is the angle between F→and S→.

Q: ANOTILA A Fraunhofer diffraction pattern of a single slit of width 0.316 mm is produced using light…

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Q: In a test of "g"-suit, a volunteer is rotated in a horizontal circle of radius 6.3 m. What is the…

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Q: Calculate the magnitude of the force, in newtons , on each foot of the horse in the figure assuming…

A: Draw the free-body diagram of the foot of the horse. Apply moment equilibrium about CG.…

Q: A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 4.78 g coins…

A: The solution for this question is given below...

Q: The system in the figure is in equilibrium. A concrete block of mass 203 kg hangs from the end of…

A: Given : Mass of concrete block  (Mb) = 203 kg Mass of strut (Ms)= 57.1 kg φ = 29.7°θ= 62.4° Let the…

Q: Find the acceleration Initial velocity=7 m/s Final velocity=7.5 m/s Time 3 s

A: Given data: Initial velocity (u) = 7 m/s Final velocity (v) = 7.5 m/s Time (t) = 3 s Required:…

Q: Find velocity Momnetum-22.3 kg*m/s Mass=2 kg

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Q: ball is attached to a string that is 1.5 m long. It is spun so that it completes two full rotations…

A: Given  A ball is attached to a string that is 1.5 m long. It is spun so that it completes two full…

Q: 1-500 nm- mm 2-35nm-km 3- 25 GHz= KHz

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Q: This technology uses an electric generator to convert mechanical energy that comes from wind/…

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Q: ) Two figure skaters, one weighing 625 N and the other 725 N, push off against each other on…

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Q: When two capillary tubes of the same radius are immersed in two containers containing water and the…

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Q: Hafthor Bjornsson, a strongman, broke the world record deadlift by lifting 501kg, with a total range…

A: Given  mass(m)=501kg total range = 80cm =0.8m time =4sec.

Q: A D

A: For left wire, F = I(dl×B) = I [dl(j)×B(k)] = I(dl)B (i) For right wire, F = I[dl(-j)×B(k)] = I(dl)B…

Q: A mass has a charge of q = 5e, where e is the charge on an electron. (a) Determine the electric…

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Q: a small 0.171 kg block slides down a frictionless surface through height h = 0.893 m and then sticks…

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Q: What is the magnitude of the electric field at a point 4000 millimeters from a point charge q=800…

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Q: Object 1 has a greater mass than object 2. a. When a constant force is applied to object 1, it…

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Q: A 983-kg satellite orbits the Earth at a constant altitude of 103-km. (a) How much energy must be…

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Q: Name and define the SI unit of time.

A: Given;  Name and define the unit of time.How are they related to following data.

Q: A racing car has a uniform acceleration of 4 ms ². What distance will it cover in 10 s after start?

A: Given Data :                Initial velocity of the car    =    u                Acceleration     =…

Q: = (b) In the figure below, block 1 of mass m₁ slides from rest along a frictionless ramp from height…

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Q: This technology uses an electric generator to convert mechanical energy that comes from wind/…

A: If an electrical conductor moves relative to a magnetic field or if there is a change in the…

Q: Leila is in a bicycle road race. In the first leg, she rides 12km from Hague Park to Bluffer’s Park…

A: (a) Draw the diagram of the motion of Leila.

Q: What was the rise in temperature during these two days?

A: Given; Body temperature of a patient on monday is;    T=1020F On tuesday it was 1040FWhat was the…

Q: S How V = 2√ 80 - S +1 much time does it take to stop

A: Given Speed is defined as the ratio of distance to time v=dt Where, d is the distance, d=s t is the…

Q: A student can row a boat 6km/h in still waters, she is on one bank of a 6  km wide river that has…

A: Given:-  A student can row a boat at 6km/h in still waters, she is on one bank of a 6  km wide river…

Q: The allowed energies of a simple atom are 0.00 eV. 4.12 eV, and 6.44 eV. Part A What wavelengths…

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The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: