Night photography and photopraphy in mist and fog are possible using (1) ultra-violet radiation (2) infra-red radiation (3) microwave radiation (4) gamma radiation

Night photography and photopraphy in mist and fog are possible using (1) ultra-violet radiation (2) infra-red radiation (3) microwave radiation (4) gamma radiation
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infra-red radiation
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Night photography and photopraphy in mist and fog are possible using – (1) ultra-violet radiation (2) infra-red radiation (3) microwave radiation (4) gamma radiation

Description : Night photography and photopraphy in mist and fog are possible using – (1) ultra-violet radiation (2) infra-red radiation (3) microwave radiation (4) gamma radiation

Last Answer : (2) infra-red radiation Explanation: Infrared is used in night vision equipment when there is insufficient visible light to see. Night vision devices operate through a process involving the ... then amplified by a chemical and electrical process and then converted back into visible light.

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

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.

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

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

Of the following, the most energetic form of NON-IONIZING radiation is: w) ultra-violet light x) infra-red light y) radar z) microwaves

Description : Of the following, the most energetic form of NON-IONIZING radiation is: w) ultra-violet light x) infra-red light y) radar z) microwaves

Last Answer : ANSWER: W -- ULTRA-VIOLET LIGHT

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

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.

Which of the following parts of the sunlight makes the solar cooker hot? (1) Ultra violet (2) Red light (3) Infra red (4) Cosmic rays

Description : Which of the following parts of the sunlight makes the solar cooker hot? (1) Ultra violet (2) Red light (3) Infra red (4) Cosmic rays

Last Answer : (3) Infra red Explanation: Glass transmits visible light but blocks infrared thermal radiation from escaping. This amplifies the heat trapping effect. A solar cooker, or solar oven, is a device which ... The vast majority of the solar cookers presently in use are relatively cheap, low-tech devices.

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

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 : infra-red rays

Which of the following parts of the sunlight makes the solar cooker hot ? (1) Ultra violet (2) Red light (3) Infra red (4) Cosmic rays

Description : Which of the following parts of the sunlight makes the solar cooker hot ? (1) Ultra violet (2) Red light (3) Infra red (4) Cosmic rays

Last Answer : Infra red

The light rays used for eliminating bacteria – (1) X-rays (2) infrared rays (3) microwave radiation (4) ultra-violet radiation

Description : The light rays used for eliminating bacteria – (1) X-rays (2) infrared rays (3) microwave radiation (4) ultra-violet radiation

Last Answer : (4) ultra-violet radiation Explanation: Ultraviolet radiation is used to kill microorganisms, molds and fungus in various environmental applications. UV sterilization is used for air- ... water purification, aquarium and pond maintenance, laboratory hygiene and food and beverage protection.

The light rays used for eliminating bacteria (1) X-rays (2) infrared rays (3) microwave radiation (4) ultra-violet radiation

Description : The light rays used for eliminating bacteria (1) X-rays (2) infrared rays (3) microwave radiation (4) ultra-violet radiation

Last Answer : ultra-violet radiation

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

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)

Anti mist and ultra violet ray glass coating?

Description : Anti mist and ultra violet ray glass coating?

Last Answer : answer:Most glass by it's very nature blocks ~90% of UV B but only ~10% of UV A. A special coating can block a little more UV B and a lot more UV A, but there is a big difference between UV ... to keep condensation from forming on the glass. Anti-mist? Do you mean anti-fog? Think of it as Rain-X.

Which of the following has the lowest frequency? (1) Visible light (2) Gamma rays (3) Xrays (4) Ultra violet rays

Description : Which of the following has the lowest frequency? (1) Visible light (2) Gamma rays (3) Xrays (4) Ultra violet rays

Last Answer : (1) Visible light Explanation: The common material used as fuse wire is an alloy of tin and lead (63% tin and 37% lead). Fuse wires provide over current protection of an electrical circuit ... or strip that melts when too much current flows through it, thereby interrupting the flow of current.

The region of the electromagnetic spectrum immediately above the frequencies to which the human eye is sensitive is called: w) ir x) ultra-violet y) rf z) gamma ray

Description : The region of the electromagnetic spectrum immediately above the frequencies to which the human eye is sensitive is called: w) ir x) ultra-violet y) rf z) gamma ray

Last Answer : ANSWER: X -- ULTRA-VIOLET

Which of the following has the lowest frequency? (1) Visible light (2) Gamma rays (3) Xrays (4) Ultra violet rays

Description : Which of the following has the lowest frequency? (1) Visible light (2) Gamma rays (3) Xrays (4) Ultra violet rays

Last Answer : Visible light

Night vision is possible with the help of ------? A. Red light B. Violet light C. Infrared Rays (Answer) D. Ultra violet Light E. None of these

Description : Night vision is possible with the help of ------? A. Red light B. Violet light C. Infrared Rays (Answer) D. Ultra violet Light E. None of these

Last Answer : C. Infrared Rays (Answer)

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

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

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

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

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

Last Answer : (1) Infra-red rays Explanation: The electromagnetic spectrum is the name we use when we talk about different types of radiation as a group. The parts of the electromagnetic spectmm, arranged from highest energy ... mass that move in a wave pattern, all at the same speed - the speed of light.

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

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.

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

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

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

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

Last Answer : ultraviolet rays

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

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

The region of the electromagnetic spectrum immediately above the frequencies to which the human eye is sensitive is called: A. I r B. ultra-violet C. r f D. gamma ray

Description : The region of the electromagnetic spectrum immediately above the frequencies to which the human eye is sensitive is called: A. I r B. ultra-violet C. r f D. gamma ray

Last Answer : B. ultra-violet

Ultra violet light of Sun's radiation is prevented from reaching the earth's atmosphere by the layer of – (1) Oxygen (2) Hydrogen (3) Ozone (4) Helium

Description : Ultra violet light of Sun's radiation is prevented from reaching the earth's atmosphere by the layer of – (1) Oxygen (2) Hydrogen (3) Ozone (4) Helium

Last Answer : (3) Ozone Explanation: The ozone layer is a layer in Earth's atmosphere containing relatively high concentrations of ozone (03). The 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.

The ozone layer protects us from - (1) Ultra violet rays (2) Radio waves (3) Visual radiation (4) Infrared radiation

Description : The ozone layer protects us from - (1) Ultra violet rays (2) Radio waves (3) Visual radiation (4) Infrared radiation

Last Answer : (1) Ultra violet rays Explanation: The ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (UVR) from the sun, protecting life on Earth from its potentially harmful effects.

Ultra violet light of Sun’s radiation is prevented from reaching the earth’s atmosphere by the layer of (1) Oxygen (2) Hydrogen (3) Ozone (4) Helium

Description : Ultra violet light of Sun’s radiation is prevented from reaching the earth’s atmosphere by the layer of (1) Oxygen (2) Hydrogen (3) Ozone (4) Helium 

Last Answer : Ozone

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

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

The radiant energy having lowest energy is – (1) gamma rays (2) UV rays (3) visible light (4) microwave radiation

Description : The radiant energy having lowest energy is – (1) gamma rays (2) UV rays (3) visible light (4) microwave radiation

Last Answer : (4) microwave radiation Explanation: The parts of the electromagnetic spectrum, arranged from highest energy to lowest, are gamma rays, Xrays, Ultraviolet light, visible light, infrared light, microwaves, and radio waves.

The radiant energy having lowest energy is (1) gamma rays (2) UV rays (3) visible light (4) microwave radiation

Description : The radiant energy having lowest energy is (1) gamma rays (2) UV rays (3) visible light (4) microwave radiation

Last Answer : microwave radiation 

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

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

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

Last Answer : Ultraviolet rays (UV) 

Which of the following colour is least scattered by fog, dust or smoke : A. Violet B. Blue C. Red D. Yellow

Description : Which of the following colour is least scattered by fog, dust or smoke : A. Violet B. Blue C. Red D. Yellow

Last Answer : C. Red

Mist is fog with horizontal visibility of

Description : Mist is fog with horizontal visibility of

Last Answer : Mist is fog with horizontal visibility of A. 100 m B. 200 m C. 500 m D. 1km

Mist is fog with horizontal visibility of

Description : Mist is fog with horizontal visibility of

Last Answer : Mist is fog with horizontal visibility of A. 100 m B. 200 m C. 500 m D. 1km

What is the difference between fog and mist?

Description : What is the difference between fog and mist?

Last Answer : Fog, mist and cloud are all formed when air cools to its dew point (the term is self explanatory). Water in the air may condense onto a cold surface, the ground, a house roof or on to small ... same is not true for an aircraft pilot landing at Heathrow or the skipper of a boat in mid Channel.

What is the difference between fog and mist?

Description : What is the difference between fog and mist?

Last Answer : Fog, mist and cloud are all formed when air cools to its dew point (the term is self explanatory). Water in the air may condense onto a cold surface, the ground, a house roof or on to small ... same is not true for an aircraft pilot landing at Heathrow or the skipper of a boat in mid Channel.

Atmospheric attenuation is an attenuation which is due to A. mist and fog B. gasses in the atmosphere C. water vapor and oxygen D. rain

Description : Atmospheric attenuation is an attenuation which is due to A. mist and fog B. gasses in the atmosphere C. water vapor and oxygen D. rain

Last Answer : C. water vapor and oxygen

Which is atmospheric attenuation? A. Attenuation due to rain B. Attenuation due to other gasses C. Attenuation due to mist and fog D. Due to water vapor and oxygen

Description : Which is atmospheric attenuation? A. Attenuation due to rain B. Attenuation due to other gasses C. Attenuation due to mist and fog D. Due to water vapor and oxygen

Last Answer : D. Due to water vapor and oxygen

Cloud is a colloidal dispersion of (1) Air in a dispersion medium of water (2) Fog in a dispersion medium of water (3) Mist in a dispersion medium of air (4) Water drops in a dispersion medium of air

Description : Cloud is a colloidal dispersion of (1) Air in a dispersion medium of water (2) Fog in a dispersion medium of water (3) Mist in a dispersion medium of air (4) Water drops in a dispersion medium of air

Last Answer : Water drops in a dispersion medium of air

Whets the difference between fog and mist

Description : Whets the difference between fog and mist

Last Answer : Seeing Distance under 1000yd

Which of the following waves cannot be polarized? (1) Radio (2) Ultra violet (3) Infrared (4) Ultrasonic

Description : Which of the following waves cannot be polarized? (1) Radio (2) Ultra violet (3) Infrared (4) Ultrasonic

Last Answer : (4) Ultrasonic Explanation: Only transverse waves (such as radio, ultraviolet and infrared waves) can be polarized since their vibrations can potentially occur in all directions perpendicular to the direction of travel. It is therefore possible to confine the vibrations to a single plane.

Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by – (1) Carbon dioxide (2) Ammonia (3) Chlorine (4) Ozone

Description : Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by – (1) Carbon dioxide (2) Ammonia (3) Chlorine (4) Ozone

Last Answer : (4) Ozone 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. Ozone ... Earth's atmosphere. In total, ozone makes up only 0.6 parts per million of the atmosphere.

Which of the following waves cannot be polarised? (1) Radio (2) Ultra violet (3) Infrared (4) Ultrasonic

Description : Which of the following waves cannot be polarised? (1) Radio (2) Ultra violet (3) Infrared (4) Ultrasonic

Last Answer : Ultrasonic

Ultra violet radiations of the Sun do not reach the earth because, earth’s atmosphere is surrounded by (1) Carbon dioxide (2) Ammonia (3) Chlorine (4) Ozone

Description : Ultra violet radiations of the Sun do not reach the earth because, earth’s atmosphere is surrounded by (1) Carbon dioxide (2) Ammonia (3) Chlorine (4) Ozone

Last Answer : Ozone

Ozone layer prevents ------- radiation from entering the atmosphere? A. Infra-red B. Ultraviolet (Answer) C. X-rays

Description : Ozone layer prevents ------- radiation from entering the atmosphere? A. Infra-red B. Ultraviolet (Answer) C. X-rays

Last Answer : B. Ultraviolet (Answer)

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 radiated out completely, resulting in 'heat trap' i.e., global warming (D) All (A), (B) and (C)

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)

Pick out the wrong statement. (A) Biological oxygen demand (B.O.D.) value of a sewerage sample is always lower than its chemical oxygen demand (C.O.D.) value (B) Environmental pollution by NOx emission is much higher by four stroke petrol engines as compared to the two stroke engines (C) Temperature in stratosphere rises with increasing altitude (D) The characteristic of a green house body is that it allows the long wavelength incoming solar radiation to come in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

Description : Pick out the wrong statement. (A) Biological oxygen demand (B.O.D.) value of a sewerage sample is always lower than its chemical oxygen demand (C.O.D.) value (B) Environmental pollution by ... in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

Last Answer : (D) The characteristic of a green house body is that it allows the long wavelength incoming solar radiation to come in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the (A) Global warming (B) Green house (C) Atmospheric effect (D) Ionosphere

Description : A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the (A) Global warming (B) Green house (C) Atmospheric effect (D) Ionosphere

Last Answer : (B) Green house