A television is tuned to a station broadcasting at a frequency of 2.54×108 Hz . For best reception, the rabbit-ear antenna used by the TV should be adjusted to have a tip-to-tip length equal to half a wavelength of the broadcast signal.

Q: How much energy is required to raise the temperature of 6.95 kg of water from 27.40oC to 54.69oC?…

A: Energy is the capacity to carry out work. The amount of work completed when the energy is released…

Q: Consider the vectors a = i + 8j + 4k and b = 7i − 6j − 6k, where i, j, and k are…

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Q: Estimate the molar volume of methane at 6 MPa and 0 °C by use of the Pitzer-Curl table, Tr = 1.43,…

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Q: b) What is the effect on the period of a pendulum if you decrease its length by 3.80%? (Answer this…

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Q: A narrow beam of white light enters a prism made of flint glass at a 52.0° incident angle, as shown…

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Q: A large sheet of charge has a uniform charge density of 20 μC/m². What is the electric field (in…

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Q: A) Determine the magnetic dipole moment.

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Q: How do you explain the concept of particle-wave duality?

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Q: To raise the temperature of 20 moles of ideal gas by 20 °C at constant pressure we must supply 1000R…

A: Work done on the ideal gas at constant pressure is equal to, W = P×∆V      = nR×∆T Where, W = work…

Q: At a certain location, the Earth's magnetic field has a magnitude of 5.9x10-5T and points in a…

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Q: An object is placed a distance of 8.50f from a converging lens, where fis the lens's focal length.…

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Q: A proton is fired from very far away directly at a fixed particle with charge q = 1.32 x 10-18 C. If…

A: Given: The charge of a fixed particle is 1.32x10-18 C. The initial speed of the proton is 3.3x105…

Q: the force of gravity on balloon is 3,000N, and the lift force provided by the atmosphere is 2,900N,…

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Q: d) An interferometer splits a light beam into two parts and then recombines the parts to form an…

A: (d) True  In interferometer setup   light incomming from coherent source is is splits in two two…

Q: Please sketch (digitally) the differential pulse height spectrum you would expect from a proton…

A: Pulse Height Spectrometry:- The amplitudes of signals (electrical current or light) from a radiation…

Q: A particle in a cubic box moving in the three directions x, y and z. What is the energy of the…

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Q: The distance around the loop in my neighbourhood is 0.50 km. If I run exactly 3 laps of the loop,…

A: Solution .   Average velocity  V = distance covered/time.   V= r/t.

Q: A 1.30 kg sample of water at 13.0°C is in a calorimeter. You drop a piece of steel with a mass of…

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Q: A point charge, q, is moved from a position 30 cm away from a test charge to a position 15 cm from…

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Q: It is found that, when a dilute gas expands quasistatically from 0.60 to 3.0 L, it does 300 J of…

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Q: The difference in energy between allowed oscillator states in H2O molecules is 0.454 eV. What is the…

A: CONCEPT: we know, Difference in energy ∆E = hf Where, h = plank constant = 6.626 × 10-34 J.s f =…

Q: Inductive charging is used to wirelessly charge electronic devices ranging from toothbrushes to cell…

A: Given: The strength of the initial magnetic field is 1.3x10-3 T. The number of turns is 16. The area…

Q: In the circuit shown in Figure , V = 7.50 V, R1 = 136 Ω, R2 = 278 Ω, R3 = 361 Ω, R4 = 183 Ω and R5 =…

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Q: Suppose an AC source with an rms voltage of 480 V and a frequency of 57.5 Hz is connected to a 22.5…

A: Given:- In AC circuit  Vrms= 480 V f = 57.5 Hz C = 22.5 μF Find:- a) What RMS current, in amps,…

Q: Which is these facts is NOT explained by the nebular theory? O There are two main types of planets:…

A: Number of planets pf each type (4 terrestrial and 4 jovian) This is not clearly explained by nebular…

Q: Fill up the table on the right side by ray tracing. Attach a copy of your solution. f do d₁ ho h₁…

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Q: A parallel-plate capacitor with a 0.1-mm air gap has a capacitance of 12 µF. (a) When this capacitor…

A: Given data: The air gap is d=0.1 mm The capacitance is C=12×10-6 F Part a: The magnitude of the…

Q: SPHA032 TEST NUMBER ONE 3.4 The figure 3.2 below shows a unit cell of a three dimensional cubic…

A: in this question  the lattice is simple cubic structure  is given here. a. we find co-ordinates of…

Q: Electric field that is generated by a fixed distribution of charges is known as... a. Flux  b.…

A: Flux :-  It is the number of electric field lines passing through a cross sectional area .…

Q: Three discrete spectral lines occur at angles of 10.5°, 13.6°, and 14.7°, respectively, in the…

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Q: Car mass= 800kg. Initial speed 8 mls. 12 seconds the car has moved and has 120m a speed After the…

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Q: A sound wave is modeled as AP = 1.40 Pa sin(4.70 m ¹x 13,000 s¹t). What is the maximum change in…

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Q: There has been a charge placed in a cube. The electric flux through one face of the cube is…

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Q: A student walks 1.0 mi west and then 1.0 mi north. Afterward, how far is she from her starting…

A: The position of the student is drawn below.

Q: You throw a rock upward. The rock is moving upward, but it is slowing down. If we define the ground…

A: A rock's position and speed if it is hurled upward with the ground as its point of origin.

Q: g from a cord of negligible weight. A secondary ball with the same weight as the first ball is…

A: GivenSecondary ball is at height, h=3 m

Q: Consider two liquids of densities p₁ = 1000 kg/m³ and p2 = 800 kg/m³ that are initially flowing in…

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Q: A 290-turn solenoid having a length of 26 cm and a diameter of 8.3 cm carries a current of 0.33 A.…

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Q: A 200-kg object accelerates at 15 m/s2. What is the force applied to the object?

A: Given data The mass of the object is given as m = 200 kg. The acceleration is given as a = 15 m/s2.…

Q: 200-mA current flows in a small solenoid which stores 20 μJ of magnetic energy. The inductance of…

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Q: In the circuit shown in Figure, V1 = 37.5 V, V2 = 13.0 V, V3 = 21.5 V, R1 = 181 Ω, and R2 = 299 Ω.…

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Q: A force of 1.8 N is applied horizontally to a 683 g cereal box that is at rest on a horizontal…

A: As the box is not moving vertically that means the vertical forces are balanced that is : N = mg…

Q: An object with a height of 40cm is placed 2.4m in front of a convex mirror with a focal length of…

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Q: You have a conducting sphere shell that has radius R. It Carrie a total positive charge of Q. Point…

A: Given data:  AA conducting sphere shell Radius of shell = R Charge on sphere = +Q Required: The…

Q: According to Bohr correspondence principle when quantum number is very large (A) frequency of…

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Q: If I add 11664 J of energy to an ideal gas inside a balloon, causing the internal energy to increase…

A: Write the given values with the suitable variables. Q=11664 JΔU=7278 J Here, Q and ΔU are the amount…

Q: How can static electricity be eliminated by induction?

A: Static electricity: An imbalance of electric charges within or on the surface of a material, or…

Q: Motor neurons in mammals transmit signals from the brain to skeletal muscles at approximately 25…

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Q: A point charge is located at the center of a thin spherical conducting shell of inner and outer…

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Q: Pull the cannon up to 18 meters vertical. Place the target at 34 m horizontal and level with the…

A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…