The work function for potassium and caesium are 2.25 eV and 2.14 eV respectively, will the photoelectric emission occur for either of these elements (a) with incident light of wavelength 5650 A.U. and (b) width light of wavelength 5180 A.U.
Q: The angular velocity of a wheel is w= -2.0 +6.04 +4.02, with w in rad/s and t in seconds. At time t…
A: Given that-Angular velocity, ω=-2+6t4+4t2where,'t' represents the time
Q: 3.25 - Projectile Motion Part A A projectile is launched at ground level with an initial speed of…
A:
Q: Find the current through a person and identify the likely effect on her if she touches a 120-V AC…
A: Given that,Applied voltage : V= 120 V Total resistance : R= 300 kΩ…
Q: A car is moving at 25 m/s along a straight highway. How long it will take the car to stop if it…
A:
Q: What is the power of a 115 MV lightning bolt having a current of 29,850 A?
A: We have given Voltage V= 115 MV And We know that 1 MV= 106 V So given voltage becomes V= 115 *…
Q: A charged particle initially at rest is placed in a region of space where there is a uniform…
A: Solution:-Given thatcharged particle initially at restuniform magnetostatic field
Q: (c) Derive relations containing the tension T for both masses and find a2 in terms of m₁ and m2. (d)…
A:
Q: A 0.030-kg bullet is fired vertically at 200 m/s into a 0.15-kg baseball that is initially at rest.…
A: Collision.
Q: A driver is traveling 18.4 m/s when she sees a red light ahead. Her car is capable of decelerating…
A: The total distance covered by the driver is the distance is the distance before applying brakes and…
Q: Which quantity remains constant when a ray of light travels from one medium to the other? Select…
A: We know that-velocity of light, v= fλhere, f is the frequencyand λ is the wavelength
Q: Orque exerted on the coild is:
A: Magnetic field B=0.1T Current in coil i= 2A Rectangular coil area A =200 Cm2 =200x10-4 m α= 30°
Q: The constant potential difference across a 2 ohm resistor is 20 volts. How many watts of power are…
A: Given that-Resistance, R= 2ΩPotential difference across the resistor, V= 20 VoltWe know the relation…
Q: A coffee cup immersion heater utilizes a heating coil with a resistance of 8.5 Q. Determine the…
A: Given that-Resistance, R= 8.5ΩVoltage, V= 110 VoltAccording to ohm's lawV=IR⇒I=VR Equation 01
Q: The electric potential created by a charge distribution is V = ax +By+yz, where a, and Y are…
A:
Q: A 0.0055-kg shuttlecock moving to the left with a speed of 40.0 m/s is struck by a badminton. racket…
A: Given that-Mass of the shuttlecock, m= 0.0055 kgInitial velocity, u= 40 m/sFinal velocity, v= -65…
Q: The vectors of the electric and magnetic fields are always parallel
A:
Q: From a graph, Tinº F vs Tinº C VS (by plotting the Celsius temperature scale on the x-axis and the…
A:
Q: Q2. Using the constraint of Pv=nRT=constant which is applied for isothermal compression, discuss the…
A: (a) The ideal gas obeys the equation Pv=nRT ..................... (1) where P is the pressure, v is…
Q: A space shuttle is in a circular orbit at an altitude of 199 mi. Calculate the absolute value of g…
A: Given Data: Space shuttle height ,h=199mi 1mile =1.60934km h =320.258kmweight of a shuttle…
Q: On a graphing paper, use the following individual vectors to GRAPHICALLY find the resultant vector…
A:
Q: #4
A: Given that-Potential difference, V= 12 VoltInitial Charge= 120AhPower, P= 100 Watt't' is the time.We…
Q: every 11.9 hours in a circular orbit. This binary system orbits the sun every 770 days in an…
A: Given a system of binary asteroids. The smaller asteroid orbit the larger in a circular orbit in…
Q: A certain car battery with a 12.0 V emf has an initial charge of 120 Ah. Assuming that the potential…
A: Given that-Potential difference, V= 12 VoltInitial Charge= 120AhPower, P= 100 Watt't' is the time.We…
Q: Which characteristic is a disadvantage of hydroelectric plants? O Low net energy Large land…
A:
Q: How does the free charge that gave us the electric displacement relate to the bound charge in a…
A: The electric displacement vector of a dielectric medium is, D→=ε0E→+P→ ....(1)D→ is the…
Q: A washing machine requires a steady current of 10.0 A. If it is connected on a 220-V line, (a) how…
A: We know that:Energy= Power × Time Eqn 1we can write, 1 KWh=…
Q: Question 5: A Car with an initial speed of 1 m/sec was in motion for 10 minutes, and then it came to…
A: Given data, Initial speed of the car u=1 m/s Time t=10 minute=10×60=600 sec Final velocity v=5 m/s
Q: The active element of a certain laser is made of a glass rod 26.0 cm long and 1.30 cm in diameter.…
A: Given: The length of the glass rod is 26.0 cm. The diameter is 1.30 cm. The…
Q: A 0.030-kg bullet is fired vertically at 200 m/s into a 0.15-kg baseball that is initially at rest.…
A: Given Mass of bullet mbu = 0.030 kg Velocity of bullet vbu = 200 m/s Mass of baseball mba =…
Q: What is the period of a simple pendulum consisting of a ball suspended from a 2.8 m string? O a.…
A: Given that-Length of pendulum, l= 2.8 mPeriod of a pendulum, T=2πlgwhere, 'l' is the length of the…
Q: of realue 200 + 500 in left & right gap of a meter beidge. Determine null point when resistance of…
A: We need to compute the new null point (l1)=? The provided data is given as- Resistance in left gap…
Q: By keeping moment of inertia of a body constant, if cue double the time period. then augular…
A:
Q: A 3 ampere current is flowing through a wire, with a long voltage of 5 volts. What is the power…
A: From question-Current, i= 3 ampereVoltage, V= 5 voltWe know that,Power, P= V×i ......…
Q: (iii) What is the electric field between coaxial cylinders of unit length in a coaxial cable? Hint:…
A: Given :- A long coaxial cable carries a uniform volume charge density ρthroughout its solid inner…
Q: The Mach number of an aircraft that travels with a speed of 275 m/s in air at 30° C while it…
A: Given that-Speed of Sound at 0°C= 331 m/sTemperature, T= 30°CWe know that, Velocity at specific…
Q: use the following individual vectors to GRAPHICALLY find the resultant vector in the first three…
A:
Q: A short, charged, thin, plastic rod of length 2a is placed on the y-axis. The total charge on the…
A: Given that, A plastic rod is placed on the y axis the length of the rod is 2a The charge on the rod…
Q: A copper wire has a resistance of 0.500 22 at 20.0°C and an iron wire has a resistance of 0.525 22…
A: Given that-Initial resistance of the copper wire, R0Cu= 0.500ΩInitial resistance of the iron wire,…
Q: In the expression describing the Coulomb force between point-like electric charges, the "Coulomb…
A:
Q: 1) Each time a ball bounces, it reaches 95% of the height reached on the previous bounce. Initially,…
A:
Q: 4. The density of gold is 19300 kg/m³. What is the mass of a gold sphere whose diameter is 0.52 m?…
A:
Q: The electrostatic field inside a conductor in equilibrium: O (a) it is located in the geometric…
A:
Q: . How far a car travels in one second with initial speed of 10 m/s and acceleration of 1?
A:
Q: What is the power of a 115 MV lightning bolt having a current of 29,850 A?
A: We know that-Power= Voltage x Current Equation 01Where, Voltage, V= 115 MV=115×106 VCurrent, I=…
Q: How much voltage does a light bulb receive if 5.00 C delivers a total of 250 J of energy? a. 1250 J…
A: Given that-Charge, Q=5 CTotal energy, E= 250 JWe know that-Voltage, V=Electrical energy dissipated,…
Q: Gas a has a temperature of 40 degree Celsius and gas b has a temperature of 50 degree Celsius which…
A: Fountain experiment is used to find the nature of any material either it is acidic or it is not…
Q: A wave field is observed by satellite. The wave lengths are determined to be 312 m in deep water and…
A:
Q: : A rectangular coil of length 0.5 m and breadth 0.4 m has resistance of 5 2. The coil is placed in…
A:
Q: 6 What should be lension applied to a cuire of lingth 75cm & mass & geam if it rubralie with a…
A: We need to compute- Tension to be applied to a wire (T)=? Given that- Length of the wire (L)=75…
Q: A uniform and stationary magnetic field is perpendicular to the plane containing a circular metallic…
A: magnetic field passing perpendicularly through the plane of the coil=B→ Area of the coil=A…
Step by step
Solved in 2 steps