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If the wavelength of a particular beam of light in vacuum is λ, and the index of refraction of a material is n, what is the wavelength of the light in the material?
A microscope has an objective lens of focal length 1.4 mm and aneyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mmfrom the objective. What is the overall magnification?
question11 give an everyday instance that illustrates the difference between acceleration and velocity. give a case of
What is the distance between the first-order red and blue fringes? Express your answer to two significant figures and include the appropriate units.
A proton moving freely in a circular path perpendicular to a constant magnetic field takes 0.80 µs to complete one revolution. Determine the magnitude of the magnetic field
Your car's 28.5 W headlight and 2.50 kW starter are ordinarily connected in parallel in a 12.0 V system. What power would one headlight and the starter consume
A shaft is turning at (65.0 rad./s) at time zero. Thereafter, its angular acceleration is given by:where (t)is the elapsed time. Find its angular speed at (t=3.0 s).
A proton travels with a speed of 4.90106m/s at an angle of65°with the direction of a magnetic field of magnitude0.240T in the positivex-direction. What is the magnitude of the magnetic force on the proton?
The potential difference between a pair of oppositely charged parallel plates is 439 Volt. If the spacing between the plates is doubled without altering the charge on the plates, find the new potential difference between the plates
two infinite nonconducting uniformly charged flat surfaces are mutually perpendicular. one of the surfaces has a charge
An organ pipe closed at one end and open at the other end has two successive harmonics with frequencies of 2170 Hertz and 2790 Hertz. What is the fundamental frequency of the pipe
What are the advantages and disadvantages of constructive and deconstructive Interferences? Give typical examples of polarizations. Discuss musical equipments in the context of wavelengths and frequency.
A light plane is headed due south with a velocity of 157 km/h relative to still air. After 1.00 hour, the pilot notices that they have covered only 121 km and their direction is not south but southeast (45.0^circ).
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