Why will body emit more radiation under similar conditions, a black body or a polished body?

Q: The inside of Ferry's black body is blackened but nickel polished outside, Why?

A: A blackbody has a spectrum which depends only on temperature. The easiest way to achieve this is to…

Q: Which color of light has the higher energy per photon, violet or red?

A: The energy of photon be defined as, E=hν

Q: What will happen to the object which will be less denser than water? more denser than water?

A: Step 1Density is defined as mass possessed by an object in a specified volume.

Q: Calculate the energy emitted by a blackbody at 1000°C per square meter?

A:

Q: How to find the energy in electron volts of a photon in the radio waves?

A: Given : Frequency, f = 88.3 MHz  f = 88.3 × 106 Hz

Q: What happens to the wavelength of light emitted by a body as it tripled in temperature?

A: Suppose a body is emitting radiation of wavelength, & having temperature T.

Q: When a light beam approaches you, its frequency is higher, and its wavelength is shorter. Does this…

A: SOlution: When a light beam approaches you, its frequency is higher, and its wavelength is shorter.…

Q: Is it necessary that that every black coloured objects should be considered a blackbody?

A: A perfect black body is a body that absorbs all the radiation that falls on it.

Q: If the speed of light is still faster than sound but not constant, what will happen to reality?

A: if speed of light is still faster than sound but not constant, (it means the speed of light changes…

Q: needed to leave a

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Q: How does the frequency of a radio wave compare to the frequency of the vibrating electrons that…

A: When electron set into vibration, magnetic field will produce. Again, as the electron is having…

Q: Why is a red-hot object cooler than a white-hot one of the same material?

A:

Q: Lamp black and platinum black are used as perfect black body one for the absorption of heat…

A: an ideal black body , which absorbs all types of radiations falls on it. this is true for the…

Q: True or False: When a light source approaches us, there is an increase in the frequency we measure.…

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Q: How does the difference in energy levels relate to energy of the photon that is emitted by a…

A: The energy of a photo emitted during transition between two energy levels will be equal to the…

Q: What is absorbing power and reflecting power of a perfect black body?

A: The body which absorbs all the incoming lights without reflect them back is known as perfect black…

Q: If the atmosphere were twice as thick as it currently is (extending farther into space), what effect…

A: If the atmosphere were twice as thick as it currently is ( extending farther into space ) , the sky…

Q: what is related between Van Der Graaf and electromagnetic? (Please include the…

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Q: Repeatedly dropping a permanent magnet on the floor causes it to become demagnetized because of in…

A: When the permanent magnet is repeatedly dropping on the floor then there will be a generation of…

Q: An ideal blackbody... A. Emits all wavelengths of radiation. B. Absorbs all wavelengths of…

A: We know : A. Blackbody emits Radiation of all wavelengths with different intensities and as the…

Q: Why won’t a very bright beam of red light impart more energy to an ejected electron than a feeble…

A: Violet has more frequency than red .Energy of electromagnetic radiation is directly proportional to…

Q: Mention the salient features of Einstein's theory of specific heat capacity

A: In this question we have to mention the salient features of Einstein's theory of specific heat…

Q: In 2004, when Mercury passed between the Sun and Earth, sunlight was not appreciably bent as it…

A: Mercury ids the closest planet to the Sun in our solar system.

Q: Why does light striking a metal surface eject only electrons, not protons?

A: Electrons take less energy to come out of the metal. Electrons move freely in a metal.

Q: If the temperature of a black body is raised from 300K to 600K by what factor the rate of emission…

A: Write the expression for the rate of emission to calculate the rate of emission of a black body…

Q: Ultraviolet light causes sunburn whereas visible light even of greater intensity, does not? Why is…

A: Ultraviolet radiation is the main cause of sunburns. They can change the DNA in skin cells directly.…

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: How do scientist cool objects to absolute zero?

A:

Q: A typical wavelength of infrared radiation emitted by your body is 25 mm (2.5 × 10−2 m). Show that…

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Q: Which has more energy, a photon of ultraviolet radiation or a photon of yellow light?

A: Ultraviolet light (invisible) has a shorter wavelength and a higher frequency (so photon energy)…

Q: Why is diamagnetism, in contrast, almost independent of temperature?

A: The residual magnetic behavior of a material when these are neither ferromagnetic nor paramagnetic…