Why are condenser adjustments generally preferred over the use of the light intensity control?
Q: Intensity of light through a polarizer and analyzer is maximum when their principle planes are…
A: Malus' law
Q: If the are area, A, of the beam of light is tripled, by what factor does the intensity change?
A: Assuming that the sound is not facing any barriers, we can say that it is propagating through a…
Q: Unpolarized light with an intensity of 98W/m^2 passes through two polarizing filters. If the light…
A: Given:Intensity of unpolarized light, I0 = 98 W/m2Intensity of light emerges from second filter, I'…
Q: Q1 a) If the absorption coefficient of sea water is 2m", and if the eye can perceive light of…
A: Given: The coefficient of seawater is μ = 2 m-1 The eye can perceive the light of factor f = 10-18
Q: Unpolarized light with an intensity of 72W/m^2 passes through two polarizing filters. If the light…
A: When unpolarized light passes through one filter, the intensity is reduced by 1/2. When this…
Q: A 1000 candela light source emits a beam of light. The source is held exactly 4 ft above a moveable…
A: Given,d=4 ftI=1000 candela
Q: On a day with fresh snow, you might notice that shadows—where the direct light from the sun is…
A: Blue light has shorter wavelength.The fresh snow absorbs the blue region of the visible spectrum of…
Q: What angle is needed between the direction of polarized light and the axis of a polarizing filter to…
A: 90 % of light
Q: An unpolarized light ray with intensity 9.06E-3 W/m2 passes through a pair of polarizers, as shown.…
A:
Q: Unpolarized light falls on the two polarizing sheets placed one on top of the other. What must be…
A:
Q: Q-1 A point light source has an intensity of 2000 candela in all directions and is mounted 4 meters…
A:
Q: What are the implications of Snell's law for the bending of light at interfaces?
A: Snell's law, also known as the law of refraction, is a fundamental principle in optics that…
Q: What direction does the light polarize when striking a non-metallic surface?
A: We know, light i.e. electromagnetic waves are transverse waves. Then the electric vector, magnetic…
Q: How does the Snell's law help in understanding the refraction of light across different media?
A:
Q: Unpolarized light of intensity I0 passes through sixsuccessive Polaroid sheets each of whose axis…
A: Number of polaroids, n=6 The angle between the axes of two successive polaroids, θ=35°
Q: Calculate the power received by the pupil of eye when the source of the light has intensity of 4.8 ×…
A: Power is defined as the energy per unit time. It is given by, P=IA Here I is the intensity and A is…
Q: b) If a swimming pool is Sm deep and the water has an absorption coefficient of 2m", by what factor…
A: Given: The depth of the swimming pool is x=5 m. The absorption coefficient of water is α=2 m-1
Q: How much ordinary light will an ideal polaroid transmit?
A: Ordinary light is a superposition. It will have electric field both parallel and perpendicular to…
Q: 9. A polarized light is incident on several polarizing disks whose planes are parallel and centered…
A: It is given that the polarized light wave is passes through a polarizer, the intensity of the light…
Q: Unpolarized light with intensity 1.25 kW/m^2 passes through a horizontally oriented polarizer. The…
A: When an unpolarized light passes through the horizontally oriented polarizer, the intensity of the…
Q: how would you use 2 large, circular polaroid filters in front of a circular window as a kind of…
A: Circular polarizer: By eliminating light that has become polarised as a result of reflection from a…
Q: If you have completely polarized light of intensity150 W / m2, what will its intensity be after…
A: Given: incident intensity, Io = 150 W/m2 Angle = 89 degree
Q: Describe how you would use two large , circular Polaroid filters in front of a circular window as a…
A:
Q: In a contaminated pool of water, the radiant flux density of light at a depth of 4 meters is 20% of…
A: Beer-Lambert law gives the relation between the Absorbance of a solution with the depth. The…
Q: Q1 a) If the absorption coefficient of sea water is 2m¹, and if the eye can perceive light of…
A: Light provides sensation to eyes so we see objects around. When light falls on an object, 3 things…
Q: Sunlight and star light passing into and through the earth’s atmosphere is always bent towards the…
A:
Q: Why would you expect the speed of light to be slightly less in the atmosphere than in a vacuum?
A: The refractive index of vacuum is 1 and that of air is 1.003. The equation for speed of light in a…
Q: Why does the wavelength of light decrease when it passes from vacuum into a medium? State which…
A:
Q: Unpolarized light is passed through an optical filter that is oriented in the vertical direction.…
A: intensity of the light enter = 86 W/m2 According to the law of malus I= I0Cos2θ all the light will…
Q: Explain the inverse relationship between light extinction coefficient and photic depth of water…
A: Light extinction coefficient (u) is the decrease in light intensity with depth in water bodies and…
Q: Unpolarized light falls on a polarizer with its axis in the vertical direction, then a second with…
A: Given that:- Angle with vertical in second polarizes=30°
Q: Unpolarized light passes first through a polarizing filter with a vertical axis then through a…
A: Intensity of the unpolarized light, Angle made by the second filter's axis with the vertical,
Q: 20) A be am of lig ht of infensidy un polarized two polarizing sheets Te sheets . s incident on…
A: Light transmitted through first polarizing sheet will be vertically polarized, the angle between…
Q: A photographic plate records sufficiently intense lines when it is exposed for 12s to a source of…
A:
Q: (2) ubai If the refractive index of water-11 1.333, value of speed of light in * water (c=3x (10) ^8…
A: Given: R.I of water, n=1.333 Light speed in air, c=3×108 m/s Let's find light speed in water.
Q: A) The wave theory of light would predict that shining two different frequencies of light with the…
A:
Q: What is the frequency of the light with a wavelength 2310 nm? (in units of Hz)
A: Given Wavelength of light is λ=2310 nm=2310×10-9 m Speed of light is c=3×108 m/s Find the frequency…
Q: Unpolarized light passes through two ideal Polaroid sheets. The axis of the first is vertical and…
A: Let the incident wave light has intensity I0 According to malus's law after passing through…
Q: Determine the remaining intensity of the light leaving through 8.3Km optical fiber if the…
A: Given data: Length of the fiber, L=8.3 km Attenuation, α=6.1 dB/km Our question is to find the…
Q: What angle would the axis of a polarizing filter need to make with the direction of polarized light…
A: Given Data : Incident polarized light of intensity have an 1.20 kW/m2 I0 = 1.20 kWm2 Transmitted…
Q: e) 1.16 x 10 Watts 11. Two Polaroid sheets are inserted between two other Polaroid sheets which have…
A:
Why are condenser adjustments generally preferred over the use of the light intensity control?
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