White light is made up of different colours of light that have O Different wavelengths and frequencies O Different wavelengths, but the same freuency O Same wavelength and freuency O The same wavelength, but different freuencies
Q: Tripling the distance from an observer to a point source of light waves will cause the intensity…
A: Option A is correct. Detailed solution is given below
Q: The pattern of light observed on a screen after it passes through a pair of closely spaced double…
A: The pattern of light observed on a screen after it passes through a pair of closely spaced double…
Q: (c) A radar installation operates at a wavelength of 10.0 GHz, with a dish antenna that is 10 meters…
A: v
Q: The sound of 40 decibels is Select one: O a. 10 times as intense as the sound of 20 decibels. O b.…
A: In this question we have to answer about the sound level. Please give positive feedback if the…
Q: When dots are placed on a page from a laser printer, they must be close enough so that you do not…
A:
Q: :E.H for a plane wave is EH O 10 Does not exist O zero O
A: Solution: For any plane electromagnetic wave, the wave consists of an electric field vector as well…
Q: Which is not correct for Normal Dispersion The result is separation of superposition waves All are…
A: Where the separation of components in any spectrum increases and approximately uniform with…
Q: State Bragg'
A: Required : Bragg's law of diffraction.
Q: : The path difference between two identical waves arriving at a point is 100.5 A. Is the point…
A: We need to compute-(i) Whether the point is bright or dark=?(ii) Wavelength of light λ=?The data…
Q: Obtain the wavelength in nanometers of (a) blue light with a frequency of 6.445 x 1014 Hz and (b)…
A:
Q: When light passes from air into water, the frequency of the light remains the same. What happens to…
A:
Q: Extraordinary waves is elliptically polarized. What is meant by it?
A: Extraordinary waves is elliptically polarized. What is meant by it?
Q: Radio waves and visible light are both electromagneticwaves. Why can a radio receive a signal behind…
A: Radio waves have- 1. Frequencies range of 300 kHz - 300 GHz 2. Wavelength range of 1 Km - 1 mm…
Q: Why are the fringes of Newton’s rings (Fig. 24–31) closertogether as you look farther from the…
A: Newton's rings are closer together as we look farther from the center just because of the variation…
Q: The equation of a þuoguessive wave in a $ling is Y = 2x10°6 sin It (t ,where 0.002 60 t is in…
A: To find- (1) Phase difference (δ)=? (2) Velocity of wave (V)=? (3) Wavelength (λ)=? Given- Y=2×10-6…
Q: how many waves are covered by the red line? O 2 waves O 1 wave 3 waves
A: Distance between two compression or two rarefactions is equal to half of wavelength .
Q: Discuss the conditions for interference to occur.
A: In order to obtain interference, the following conditions should be satisfied.
Q: Example /a straight and long wire with a vertical pos ition through which a current of intensity amp…
A: The magnetic field due to a straight current-carrying wire at a distance d is given by: B=μ04π×2Id
Q: Two coherent light beams, one with intensity l, and the other with intensity 9 l. They interfere…
A:
Q: (i) Why is communication using line of sight mode limited to frequencies above 40 MHz? (ii) A…
A: Here, solution of part (1) The line of sight (LOS) mode is limited to frequencies above 40 MHz,…
Q: What is the freOf a green light that has a wave length of 519 nm? ( c= 3.00×10^8m/s)
A:
Q: 6. (2) When a laser pulse hits the glass of the “cuvette" (glass jar), light scattering occurs for…
A: This luminescence can interfere with the luminescence from the sample in glass cuvette, thereby…
Q: (i) What is the line of sight communication? (ii) Why is it not possible to use sky waves for…
A: (i) Line of sight communication: Line of sight means waves travel in a straight path from the…
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: O Electromagnetic waves in matter; (a) Write down the boundary conditions for the electric field and…
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Q: The ratio of relocity of light in glass to that is wate Crefactive index of glass = 1.5't refractive…
A: We know that-Ratio of velocity of light in glass to water CgCw=?The data given as-R.I. of glass…
Q: By how much should a pair of light rays from a common source differ in distance traveled to produce…
A: The path length difference of destructive interference must be a half integral multiple of…
Q: a thin film of MgF2 (n = 1,38) with thickness of 8,25×10−5 cm was put on glass (n =1,55). If…
A: Given; The refractive index of thin film of MgF2, n=1.38 Refractive index of glass, ng=1.55…
Q: Combing your hair leads to excess electrons on the comb.
A:
Q: the wave period, T (ii) the wavelength, λ, (iii) the electric field, E. (iv) the phase difference…
A:
Q: certain reddish light has a wavelength of 700nm in air. What's the wavelength in water where light…
A:
Q: Polarized light of intensity lo is incident on a pair of polarized sheets. Let be O, and 2 the the…
A: Polarized light of intensity I0 is incident on a pair of Polaroid sheets. So, Intensity of…
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- An electric bulb illuminates a plane surface-The intensity of illumination on the surface at a point 2 m away from the bulb 5x 10-“ lumen/cm. The line joining the bulb to the point makes an angle 60° with the normal to the surface. The intensity of the bulb in candela isWhy is light sometimes modeled explained as a particle and sometimes as a wave?Calculate the frequency of yellow light of wavelength 550 nm. The speed of light is 3 x 10⁰ m s-¹.
- 1Two sources are in phase with one another and emit waves with a wavelength of 0.42 meters. Find outwhether the interference is constructive or destructive at sites with the following distances betweenthe two sources: (a) 0.84 and 0.42 m [2]; (b) 0.21 and 0.42 m[2]; (c) 1.26 and 0.42 m[2]; (d) 1.87 and1.45 m [2]; (e) 0.63 and 0.84 m [2]; and (f) 1.47 and 1.26 m [2]. Suppose you pass light from a laser through twoslits separated by 0.02 mm and find that the thirdbright line on a screen is formed at an angleof 16° relative to the incident beam. What is thewavelength of the light?A light of wavelength 6000 A travels from rarer medium to denser medium of refractive index 1.5, If this frequency in rarer medium is 5 × 10¹4 Hz, then its frequency in denser medium will be
- Streetlights that use high pressure sodium vapour produce light that is mainly yellow with some red. Why are dark blue police cars not advisable in a community that uses these streetlights?Does the atmosphere as a whole stop visible light from reaching the Earth? (Hint: trace gases are a verysmall piece of the atmosphere).Assuming the frequency remains constant, a monochromatic light ray is transmitted through an glass-to-air boundary, what happens to the wavelength?