X-rays region lies between – (1) Ultraviolet and visible region (2) Visible and infra-red region (3) Gamma-rays and ultraviolet region (4) Short radio waves and long radio waves

1 Answer

Answer :

(3) Gamma-rays and ultraviolet region Explanation: X-rays region lies between Gamma rays and ultra-violet region.

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Description : X-rays region lies between (1) Ultraviolet and visible region (2) Visible and infra-red region (3) Gamma-rays and ultraviolet region (4) Short radio waves and long radio waves

Last Answer : Gamma-rays and ultraviolet region

Description : Radio waves, microwaves, infra-red spectrum, ultraviolet rays, X-rays and gamma rays are classified as ______. (1) light waves (2) electromagnetic waves (3) electric waves (4) magnetic waves

Last Answer : (2) electromagnetic waves Explanation: Electromagnetic radiation is the radiant energy released by certain electromagnetic processes. It consists of electromagnetic waves which are synchronized oscillations of electric and magnetic fields that propagate at the speed of light through a vacuum.

Description : Energy of Ultraviolet rays is great than (1) Infra-red rays (2) Gamma rays (3) X-rays (4) Cosmic rays

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Description : Energy of Ultraviolet rays is great than (1) Infra–red rays (2) Gamma rays (3) X–rays (4) Cosmic rays

Last Answer : Infra–red rays

Description : Forged documents are detected by – (1) ultraviolet rays (2) infra-red rays (3) beta rays (4) gamma rays

Last Answer : (1) ultraviolet rays Explanation: Old postcards, books, signs, photos and other paper products made before the late 1930s rarely glow under a black light. Chemical bleaches and dyes used ... light. Knowing this helps to detect forged documents and distinguish reproductions in all types of ephemera.

Description : Forged documents are detected by (1) ultraviolet rays (2) infra-red rays (3) beta rays (4) gamma rays

Last Answer : ultraviolet rays

Description : Ozone saves the biosphere by absorbing high energy radiations called - (1) Infra-red (2) Gamma rays (3) Ultraviolet rays (UV) (4) X-rays

Last Answer : (3) Ultraviolet rays (UV) Explanation: The ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. It absorbs 97 to 99 ... 200 nm to 315 nm wavelength), which otherwise would potentially damage exposed life forms near the surface.

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Last Answer : Ultraviolet rays (UV) 

Description : Weather satellites transmit cloud cover and temperature-humidity profiles back to Earth using images of which combination of the electromagnetic radiation types? w) infra-red and visible light x) ultraviolet and nuclear magnetic y) ultraviolet and infra-red z) ultraviolet and visible light

Last Answer : ANSWER: W -- INFRA-RED AND VISIBLE LIGHT

Description : Ozone layer above the surface of Earth provides a shield against – (1) X-rays (2) Ultra-violet rays (3) Gamma rays (4) Infra-red rays

Last Answer : (2) Ultra-violet rays Explanation: The Ozone layer absorbs 97-99% of the Sun's medium-frequency ultraviolet light (from about 200 nm to 315 nm wavelength), which potentially damages exposed life forms on Earth.

Description : Ozone layer above the surface of Earth provides a shield against (1) X-rays (2) Ultra-violet rays (3) Gamma rays (4) Infra-red rays

Last Answer : Ultra-violet rays

Description : Higher concentration of CO2 in atmosphere (A) Allows visible solar radiation (ultraviolet) of short wave-length to pass through (B) Reflects and absorbs the longer wavelength (infra-red) radiations (C) Prevents solar heat being ... in 'heat trap' i.e., global warming (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Description : Green house effect is the heating up of the Earth's atmosphere which is due to – (1) the ultraviolet rays (2) y-rays (3) the infra-red rays (4) X-rays

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Last Answer : the infra-red rays

Description : The tanning rays of the sun are called: w) infrared rays x) visible light y) ultraviolet rays z) gamma rays

Last Answer : ANSWER: Y -- ULTRAVIOLET RAYS

Description : In a filament type light bulb most of the electric power consumed appears as – (1) visible light (2) infra-red rays (3) ultra-violet rays (4) fluorescent light

Last Answer : (2) infra-red rays Explanation: When electricity is passed through the filament, the filament gets hot. Depending on the temperature of the filament, radiation is emitted from the filament. The ... energy converts into visible light and rest of it is emitted as heat or infrared radiation.

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Last Answer : B. Ultraviolet (Answer)

Description : Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy? A. radio, visible, infrared, ultraviolet, x-ray, gamma ray B. radio, infrared, visible ... -ray, gamma ray D. radio, infrared, visible, ultraviolet, x-ray, gamma ray (Answer)

Last Answer : D. radio, infrared, visible, ultraviolet, x-ray, gamma ray (Answer)

Description : Which of the following does NOT travel in a vacuum? w) radio waves x) gamma rays y) magnetic waves z) sound waves

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Last Answer : (4) All of the above Explanation: A light-emitting diode (LED) is a semiconductor light source that emits light when current flows through it. Infrared LEDs are used in remote-control circuits, such as those used with a wide variety of consumer electronics.

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Last Answer : (3) Radio waves Explanation: Wireless communication is the transfer of information between two or more points that are not connected by an electrical conductor. With radio waves distances can be short ... , or as far as thousands or even millions of kilometres for deep-space radio communications.

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Last Answer : (4) α, β and γ rays Explanation: Of the three main types of radiation given off during radioactive decay, two are particles and one is energy; scientists call them alpha, beta and gamma after the first three letters of the Greek alphabet.

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Last Answer : ANSWER: Y -- ULTRAVIOLET LIGHT

Description : Which of the following has the highest energy? A. gamma rays (Answer) B. X-rays C. Ultra-violet radiation D. radio waves

Last Answer : A. gamma rays (Answer)

Description : By the transition of inner shell electrons in heavy atoms, high energy photons are emitted which are a) gamma rays b) X-rays c) radio waves d) photon rays

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Last Answer : Need answer

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Last Answer : Ans:(c)

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Last Answer : (3) Ultraviolet

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