Phosphorescent screen (viewed from above) Radioactive sources Lead Box

Q: The energy of a photon is given by 11 eV. What is the energy of the photon in the unit of J? Answer…

A: Given :    Energy of photon, E = 11 eV

Q: If an object is thrown upward with an initial velocity of 256 tusecond, then its height after t…

A: initial velocity of object thrown upwards (u) = 256 fts2The equation of motion is given by : h =…

Q: In Millikan's experiment in the figure below, an oil droplet of mass 3.71 fg has an excess charge of…

A:

Q: What is the wavelength of peak emission for a black body at 37°C? (c = 3.0 × 108 m/s, Wien…

A: T = 37 C= ( 37 + 273.15 ) K = 310.15 K I just changed degree celsius into Kelvin  From Wien's…

Q: In the photon energy range 2 to 10 keV, X rays coming from the Crab Nebula have an intensity of…

A:

Q: on at a Javelength of 5000 Å is approaching the earth with a velocity of 1.50× 106 ms-'. Calculate…

A: Here, we calculate the given as follow;

Q: Electrons are accelerated in television tubes through a potential difference of about 1.50 x 104 V.…

A: Given Data, Potential Difference V=1.50×104 V Range of X-Ray Wavelength =0.01 nm to 10 nm

Q: Suppose a cyclotron is operated at an oscillator frequency of 11.8 MHz and has a dee radius 53.5 cm.…

A: Given, Frequency, f=11.8×106Hz Dee radius, r=53.5×10-2cm Potential, V=74.7×103V Mass, m=3.34×10-27kg…

Q: Using the given charge-to-mass ratios for electrons and protons, and knowing the magnitudes of their…

A: The charge of electrons and protons are same, q The charge to mass ratio for electron is…

Q: Electrons passes undeviated through crossed electric and magnetic fields. If E = 5x10^4 N/c and B =…

A: We are aware that electrons go across magnetic and electric forces without deviating.

Q: A charged particle (charge q=8.7 mC ) is stationary at the origin of the coordinate system. The…

A: Charge, q = 8.7 mC = 8.7×10-3 C Electric field at origin, E = 3.4 N/C Magnetic field at origin, B =…

Q: Suppose we have an electron moving perpendicular to a B-field along a circular path of radius 18 cm.…

A:

Q: A rectangular loop of wire sits partially in a uniform magnetic field indicated by the array of dots…

A: (a) Induced current in the given loop is given by Lenz law. From this law, the direction of induced…

Q: Cathode rays are accelerated by a P.D. of 2000 volt and enter the plates of a Thomson tube as a…

A: Cathode rays (also known as electron beams or e-beams) are electron streams that can be seen in…

Q: A particle and its anti-particle have the same mass and charge, but the charges will be of opposite…

A: Let,The mass of each particle (m) = 0.632 MeV/c² (rest mass energy)The kinetic energy of the…

Q: In the LHC, protons are accelerated to a total energy of 7.80 TeV. The mass of proton is 1.673 ×…

A: Total energy of proton = E = 7.80 TeV = 7.80×1012 eVMass of proton = m = 1.673×10-27 kgPlank's…

Q: find the temperature of the coolest star whose peak blackbody wavelength can be observed with the…

A: Given Data  λmax = 750 nm=750×10-9 mλmin =  380 nm

Q: A 0.7 mm diameter superconducting wire is composed of half copper and half superconductor. At 3.2 T…

A: Given that: Diameter of the wire d=0.7 mm=0.0007m Radius of the wirer=0.00035 m The total…

Q: Your trusty 1 milliwatt He-Ne laser beam has a wavelength 1 = 632.8 nm |(the correct wavelength).…

A: Given: The power of laser beam (P) = 1 milliwatt = 1×10-3 watt. Wavelength of laser beam (λ) = 632.8…