n carbon paper block the passage of light? How?

Q: How does the dispersion of light occurs? explain.

A:

Q: Why is the sky blue during fair day and why is it red during sunset?

A: This things happen due to the phenomenon scattering of light.

Q: HOT ON S15 Pro el Al CAMERA www. 822 equialbil Remitana G thin Crout 12KA 912 ww 2-2 fool the Gurent…

A:

Q: We readily note the bending of light by reflection and refraction, but why are we not aware of the…

A: Given:  bending of light

Q: Why can sunlight that illuminates Earth be approximated by plane waves, whereas the light from a…

A: Explanation:

Q: Can you make a shock wave of light by breaking the light barrier just like supersonic airplanes…

A: The airplane can break the sound barrier when it have the effective velocity greater than the…

Q: What happens to a light ray when it travels from one material into a thicker (denser) material? Into…

A: Light waves change speed when they pass across the boundary between two substances with a different…

Q: Analysis of radiation from space reveals information about the O composition, structure, and motion…

A: Radiations are a form of energy comes from space which travels with the speed of light. It have…

Q: When would an infrared telescope most likely be used?

A: An infrared telescope will detect and resolve the infrared rays. Since the wavelength of the…

Q: Why do the rings closer and finer as we made away from the center

A:

Q: Based on your observation, what is the direction of the circulation of red food color? blue food…

A: As the heart beats, it pumps blood through a system of blood vessels called circulatory system.…

Q: The attenuation of light in water is dependent on the extinction coefficient (eλ) summed for all…

A:

Q: What is the wavelength, in nanometers, of light with a frequency of 1.75×1015 Hz? nm

A: Given data:  Frequency (f) = 1.75 × 1015 Hz Required: Wavelength (λ)

Q: Divers swimming at 7 meters below the surface found that the light level was 83% that of the…

A: Given: Distance of the diver from the surface of the sea, x = 7m Intensity, Io = 83% Intensity, I =…

Q: Divers swimming at 7 meters below the surface found that the light level was 83% that of the…

A: Given: Distance of the diver from the surface of the sea, x = 7m Intensity, Io = 83% Intensity, I =…

Q: Why infrared radiations are used for photography in dark?

A:

Q: when alaser light passes through a medium whose thickness is Clomm) if the Percentage ofradiation…

A:

Q: Do you have an idea why the sky is blue? Why the clouds are white? Why the sunset is red or reddish…

A: why the sky is blue? The gases and dust particles in the atmosphere scatter the sunlight that…

Q: Propagation of light is

A:

Q: When we look at the Sun, we are seeing it as it was 8 minutes ago. So we can only see the Sun “in…

A: The image of the object is formed on the retina of the human eye if the light ray coming from an…

Q: Why are light waves able to travel through a vaccum whereas sound waves cannot?

A: Speed of sound: The speed of sound is the distance travelled by a sound wave per unit of time. The…

Q: If the wavelength of light is halved, by what fraction does the amount of the light scattered by…

A: Write the expression for the intensity of the light by Rayleigh’s law of scattering. I∝1λ4

Q: What type of wavefront will emerge from a (i) point source, and (ii) distant light source?

A: A wave front is defined as the locus of the surface of the waves which are in same phase.

Q: What do you mean by retinex theory of color vision?

A: Retinex:          It is the theory of human color vision account for color sensation in real scenes,…

Q: How will the color of the sky appear different on humid days compared to days of a low humidity?…

A: Generally we see the color of the sky is Blue. Actually the sky do not have any color. Color…

Q: Radio waves diffract Y [Select ] less than visible light. more

A:

Q: Light from a location on which you concentrate your attention falls on your fovea, which contains…

A: There are two basic antennae in retina of our eyes which are rods and the cones. Cones handle color…

Q: Does light travel in straight line? Explain your answer.

A: Light travels in form of energy packets known as photons. These energy packets travel with speed of…

Q: How does the resolving power of a 9 m telescope compare with that of a hubble space telescope?

A: Write the expression for the resolving power of the telescope

Q: What is the wavelength of the light waves reflected from an object has a frequency of 2.0 x 107…

A: Frequency of the object is f = 2.0 x 107 sec-1 Speed of the light is 3.0 x 108 m/s

Q: xplain in your own words How does light ¨om the core of the sun reach the earth?

A: We know light is an electromagnetic waves and requires no any medium to travel .           When  sun…

Q: The speed of light in the different media of the figure shown below, Ny = = v3 nz = V2 n3 = 2 n4 =…

A: Given, Refractive index, n1=3n2=2n3=2n4=1.6 Using equation for speed of light and refractive index,…

Q: If you want to increase the light gathering power by a factor of 10, by what factor does the…

A:

Q: ntion what is the speed of light in space?

A: we have to discuss the speed of light in space

Q: You can see your lecturer in class (if you are there) because O They emit visible light They reflect…

A: We can see any object when the light falls on object and then the reflected light from the object…

Q: A body with large reflectivity is a poor emitter, Why?

A: According to Kirchhoff's law, a poor absorber of heat is a poor emitter. Hence, a body with large…

Q: What is the relationship of wavelength with frequency? In light, what causes the differences in…

A: solution as

Q: What is Multichromatic light?

A: The light consists of a single wavelength is called monochromatic light.

Q: What is the speed of light in ice? In a chunk of Zircon?

A: Speed of light in ice and the chunk of zircon is given below:

Q: When we look at the stars in the night sky we see the stars as it what?

A: Answer:When we look at the stars in the night sky we are actually looking into past . For example…

Q: What do we see the different wavelengths of visible light as?

A: Electromagnetic radiation in the range of wavelengths is called visible light or simply light. A…