What is the de Brogue wavelength of an electron travelling at a speed of 5.0 x 106 m/s?
Q: What is the speed of a transverse wave on a string of length 2.0 m and mass 60.0 g under a tension…
A: The speed of a wave travelling on a string is given by the expression v=TμT is the tension in the…
Q: In a velocity selector, the intensity of electric field is 2 × 10¹ V/m and the strength of magnetic…
A: To find-Speed of charged particle (v)=?Given-Intensity of electric field (E)=2×104 V/mMagnetic field…
Q: The first figure gives spring force F, versus position x for the spring-block arrangement of the…
A: Given,Fs=200Nspring constant k=slope of the linek=200N0.02 m=10000 N/m
Q: A driver traveling north slows down from 35.4m / s to 0m/s in 8.6 seconds. What is the magnitude of…
A: Solution:-Given thatInitial speed (u)=35.4 m/sFinal speed (v)=0 m/stime (t)=8.6 s
Q: A certain star has a temperature twice that of the Sun and a luminosity 64 times greater than the…
A: The luminosity of a star is a measure of the total amount of energy that is radiated by a star per…
Q: In the figure, a 3.3kg block is accelerated from rest by a compressed spring of spring constant 640…
A: Given: The mass of the block is m = 3.3 kg The spring constant of the spring is k = 640 N/m The…
Q: All things, except light, are attracted by gravity. (T/F)
A: Gravity is one of the fundamental forces of nature. It is attractive in nature and is the weakest…
Q: Ex. 9: The horizontal telegraph wire 100 m long, oriented along magnetic east west falls freely…
A: To find-Induced emf (e)=?Given-Length of wire (l)=100 mVelocity (V)=20 cm/s=20×10-2 m/s
Q: A tungsten light bulb filament may operate at 2900 K. What is its Fahrenheit temperature? What is…
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Q: Newly formed neutron stars have extremely strong magnetic fields. (T/F)
A: Neutron stars are formed when massive stars collapse under their own gravity. The core of such…
Q: Consider the given illustrations/situations below as reference for this activity. Analyze and…
A: Analyze and explain the perception of the observers below using your understanding of relativity of…
Q: Find the reactance of the coil of inductance 100 mH at frequency 50 Hz and at 100 Hz.
A: To find-Inductive reactance (XL)=?Given-Inductance (L)=100 mH=10-1 Hf1=50 Hzf2=100 Hz
Q: The work function for the surface of aluminium is 4.2 eV. How much potential difference will be…
A: To find-Wavelength and potential differenceGiven-e=1.6×10-19 Cϕ0=4.2 eVλ=2000 A0
Q: 5. A monatomic ideal gas expands at constant pressure. (a) (b) expansion? gas? What percentage of…
A: Given : A monoatomic gas expands at constant pressure.
Q: Ex. 57: The threshold wavelength for photonmission from silver is 3800 Å. Calculate the maximum…
A:
Q: on 3 A roller coaster car travels along the track as shown in the image. Which statement about the…
A: Given :- A roller coaster car travels along the track as shown in the image.
Q: The current in a long solenoid of radius 3 cm and 20 turns cm is varied with time at a rate of 2…
A: Given that :Radius of solenoid : R= 3 cmNumber of turns per unit length: n= 20 turns/ cmRate of…
Q: A circular coil of radius 5.0 cm is wound with five turns and carries a current of 5.0 A. If the…
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Q: Calculate the frequency of the 21 cm line.
A: The 21 cm line is the wavelength of the electromagnetic radiation that is released by neutral…
Q: Photoelectric work function of a photo- sensitive material is 3 x 10-¹9 J. Calculate its threshold…
A: To find-Threshold wavelength (λ0)=?Given-W=3×10-19 J
Q: Draw the Franck-Condon Energy diagram and explain the concept
A: Solution: The Franck Condon principle help to understand the variation in intensities of the…
Q: Briefly explain the inadequacies of classical physics and their remedies on the photoelectric effect
A: (a) The inadequacies of Classical physics. (b) Their remedies on the photoelectric effect.
Q: Find the current through an inductance coil of inductance 2H and of negligible resistance when…
A: To find-(Irms)=?Given-L=inductance of coil= 2 HErms=230 Vf=50 Hz
Q: A conservationist wishes to shoot a tranquillizer dart a monkey so that it can be medically…
A: Given , 5. A conservationist wishes to shoot a tranquillizer dart a monkey so that it can be…
Q: In a velocity selector, the intensity of electric field is 2 × 104 V/m and the strength of magnetic…
A: To find-Speed of charged particle (v)=?Given-Intensity of electric field (E)=2×104 V/mMagnetic field…
Q: If a plan is parallel to one of crystallographic axes, then the plan that intersect that axis at…
A:
Q: A 50 cycle A.C. Supply is supplied to circuit having an induclance of 4 fe and resistance ake.…
A: To find-Impedance (Z)=?Given-f=50 c/sL=1πHR=2 k-ohm=2000 ohm
Q: been Cathode rays which have accelerated by a potential difference of 1000 volt enter in mutually…
A: To find-(1) em(2) Speed of electronsGiven-P.D.=1000 VE=20 V/cm=2×103 V/mB=10-4 Tesla
Q: 4 Ex/14: The metal rod 1 m long rotates about its one end in a plane at right angles to a horizontal…
A: To find-Induced emf (e)=?Given-length of rod (l)=1 mFrequency (n)=100 rpsMagnetic induction…
Q: A simple pendulum with mass 0.214 kg hangs from string 1.48 m long. (See the figure below.) A leaf…
A: mass of the pendulum, m=0.214 Kg Length of the string, L=1.48 m The Horizontal drag force will…
Q: A composite beam is made of two brass [E = 107 GPa] plates bonded to an aluminum [E = 73 GPa] bar,…
A: Solution:-Given thatE for brass=107 GPaE for aluminum=73 GPa
Q: mich of the following continuous distra symmetrical and unskewed over ite erating range? Normal…
A: 4.11) There is a symmetrical normal distribution and unskewed over typical range. The normal…
Q: A space telescope in orbit around the Earth discovers a new planet, which is observed to move around…
A: The distance of the planet from the sun can be measured using the parallax method. For distant…
Q: The formation of the first high-mass stars in a collapsing cloud tends to inhibit further star…
A: Stars are formed from the interstellar medium. The interstellar medium is made of clouds of gas and…
Q: Write the vector expression for the acceleration a of the mass center G of the simple pendulum in…
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Q: 1. Which one of the following is NOT consistent with a car which is accelerating? b. moving with a…
A: 1. Given Which one of the following is NOT consistent with a car that is accelerating is as follows:…
Q: How much work is done (by a battery, generator, or some other source of potential difference) in…
A: Given, Initial electric potential, Vi=7.70V Final electric potential, Vf=-5.70V The work done is…
Q: 4. What is RF magnetron sputtering? Explain Reactive sputtering?
A: Solution: Sputtering is the process of making a thin film coating on the surface/substrate. The…
Q: Calculate the current in the circuit for the values in the circuit: Epsilon=9V, Rint-2.74 Ohms,…
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Q: MOTION LOAD AND THE ARCHER FISH. Archers are tropical fish that hunt by shooting drops of water from…
A: Given: The mass of the fish is 65 g. The mass of water ejected is 0.30 g.…
Q: What is hydrostatic equilibrium in stars.
A: The interstellar medium is mostly made of hydrogen. When the mass of the interstellar medium becomes…
Q: State any five properties of radioactive element. Write down four main differences between…
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
Q: What critical event must occur in order for a protostar to be- come a star?
A: Stars are formed from interstellar clouds. When the mass becomes high enough the molecular cloud…
Q: Q32 U-shaped film of a liquid is formed between a wire frame and movable wire 5 cm long. Then the…
A: Given-l=5 cmT=0.024 N/mFinding-Force (F)=?
Q: (a) A 34.1-m length of copper wire at 20.0°C has a radius of 0.31 mm. If a potential difference of…
A: Given, L=34.1mr=0.31mmV=7.00V
Q: 9) A spring has a constant of 875 N/m. What hanging mass will cause this spring to stretch 4.5 m?
A: Let's Consider a vertical spring of spring constant 'k' On which we hang a mass 'm'It will stretch a…
Q: Ex. 57: The threshold wavelength for photonmission from silver is 3800 Å. Calculate the maximum…
A: Given-λ0=3800 A0=3.8×10-7 mλ=2600 A0=2.6×10-7 mc=3×108 m/sh=6.63×10-34 Js1 eV=1.6×10-19 J
Q: How much work is done in lifting a 100-kg load of bricks to a height of 30 m on a building under…
A: Given that-Mass, m=100 kgHeight, h=30 mWe know that,Acceleration of gravity, g=9.8m/s2
Q: A model airplane flies over an observer O with constant speed in a straight line as shown. Determine…
A: Concept: According to the Schematic diagram of the system, we will observe the airplane traveling…
Q: There are N = 2400 electrons moving in one dimension and they meet at the origin of coordinates with…
A:
J02, please fast.
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