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A 1.09-cm-diameter microscope objective has a focal length of 2.4 mm. It is used in visible light with a wavelength of 516 nm. What is the objective's resolving power if used in air
Light from a helium-neon laser (wavelength=649 nm) passes through a circular aperture and is observed on a screen 2.36 m behind the aperture
You want to photograph a circular diffraction pattern whose central maximum has a diameter of 1.27 cm. How far behind the pinhole should you place the viewing screen
Infrared light of wavelength 1.17 um illuminates a 0.34-mm-diameter hole. What is the angle of the first dark fringe in degrees
A block rests on a spring and oscillates with a frequency of 4Hz and an amplitude of 7cm. What is the speed of the bead at the instant when it loses contact with the block
When responding to sound, the human eardrum vibrates about its equilibrium position. What is the maximum acceleration of the eardrum
A 4 kg block, resting on a horizontal surface, is struck by a bullet moving horizontally with a speed of 200 m/s. How much energy is dissipated (mostly as heat) in this collision process
A 0.5-cm-wide diffraction grating has 1315 slits. What are the angles (in degrees) of the first two diffraction orders
A pendulum has a time period of 5 sec at a particular place. calculate the acceleeration due to gravity at this place
A mass of .5Kg is attached to a massless spring with spring constant k=600N/m, What was the incident speed of the second mass
Find the energy delivered by a photon of the yellow- green light to which our eyes are most sensitive
A woman holds a tube of lipstick 9 cm from a spherical mirror and notices that the image of the tube is upright and one fourth its normal size. Calculate the focal length of the mirror
A hydrogen atom is in the inital state ni = n, where n > 1. Find the frequency of the electron's orbital motion
The motion of a piston in an auto engine is simple harmonic. If the piston travels back and forth over a distance of 10cm, calculate the maximum speed of the piston
An arterial constriction causes the radius of an artery to decrease from its normal value of 4mm to 2.5 mm. Calculate the volume flow rate through the artery
A person with a mass of 81Kg and a volume of .089M^3 floats quietly in water. What is the volume of the person that is above water
It is 156 cm from your eyes to your toes. You're standing 212 cm in front of a tall mirror. How far is it from your eyes to the image of your toes
A .5Kg solid mass is totally submerged in water while suspended from a spring balance. Calculate the reading on the spring balance
A lens forms an erect image of a real object. The image is twice the size of the object and appears to be 40 cm from the lens
A fish in a flat-sided aquarium sees a can of fish food on the counter. What is the actual distance between the can and the aquarium
A point source of light illuminates an aperture 1.96 m away. How wide is the aperture
A converging lens with a focal length of 5.0cm is to the left of a second identical lens. When a feather is placed 13cm to the left of the first lens, What is the separation between the lenses
A 1-cm-thick layer of water stands on a horizontal slab of glass. What is the maximum angle of incidence for which the light ray can emerge into the air above the water
The distance to a particular star, as measured in the earth's frame of reference, is 7.11 light years, How long does the trip take, according to observers on earth
The left face of a bioconvex lens has a radius of curvature of 10.3 cm, and the right face has a radius of curvature of 15 cm. Calculate the focal length of the lens