Description : Draw a neat sketch and explain the accessory used to support long work.
Last Answer : Accessory to support long work: A steady rest is a tool for a lathe, enabling a machinist to make deep cuts in long, slender stock, bore out thin pieces of metal, and generally keeps thin stuff straight. ... tool that follows the cutter, a steady rest is firmly attached to the bed of a lathe.
Description : What is that item of clothing/accessory called that is two clips on the end of an elastic piece, which is clipped to the back of a woman's shirt to make it tighter?
Last Answer : answer:It is called a cinch. http://acostumejewelryshop.com/cinch-dress-garment-clips-c-59.html
Description : A set of Bose car speakers sold to Mazda for use in the production of an RX-7 would be an example of A)a component part. B)a specialty item. C)accessory equipment. D)raw material.
Last Answer : A)a component part.
Description : When chlorophyll absorbs light, what does it gets excited and emits? -Do You Know?
Last Answer : answer:
Description : When the ground gets warm it emits an invisible type of light called infrared light. This light can travel into the atmosphere and heat the air that it encounters.?
Last Answer : Some parts of the air - the so-called green-house gasses. Notthe more common parts of the air.
Description : What is a neutron star which a Emits radiation that reaches the earth as radio waves and flashes of visible light?
Last Answer : pulsar
Description : Sun appears red in colour at sun-rise and sunset due to – (1) the fact that sun emits only red colour at that time (2) red light having longer wave length scatters away (3) that sun Comes out of the mountains (4) that all other colours scatter away except red
Last Answer : (4) that all other colours scatter away except red Explanation: According to Rayleigh's law, the intensity of scattered light varies inversely as the fourth power of its wavelength. Sunlight consists of ... have to travel a larger part of the atmosphere because they are very close to the horizon.
Description : Every hot object emits – (1) X-rays (2) Visible light (3) Infrared rays (4) Ultraviolet rays
Last Answer : (3) Infrared rays
Description : Which laser emits light in the visible range 400 to 700 nm? a. Argon-ion b. Nitrogen c. Carbon-dioxide d. Neodymium-YAG
Last Answer : a. Argon-ion
Description : The form of Phosphorous which emits green light on the exposure to atmosphere ?
Last Answer : White phosphorous
Description : A pulsar is a rapidly spinning neutron star which emits: A. A blinding light when it aligns with the planets B. Radio waves detectable from Earth (Answer) C. A gravitational pull which attracts high energy dust particles D. Enough energy to power itself indefinitely
Last Answer : B. Radio waves detectable from Earth (Answer)
Description : Sodium fluorescein: a. has a higher affinity for plasma protein than indocyanine green. b. does not leak from the choroidal vasculature. c. does not leak from normal retinal vasculature. d. emits light of longer wavelengths than the one it absorbs
Last Answer : does not leak from normal retinal vasculature.
Description : A pn-junction diode emits light by spontaneous emission ∙ A. LED ∙ B. APD ∙ C. PIN
Last Answer : A. LED
Description : Which laser emits light in the visible range 400 to 700 nm? ∙ a. Argon-ion ∙ b. Nitrogen ∙ c. Carbon-dioxide ∙ d. Neodymium-YAG
Description : A light emitting diode emits light only when (a) Reversed biased (b) forward biased (c) unbiased (d) none
Last Answer : (b) forward biased
Description : Every hot object emits _____ (1) X–rays (2) Visible light (3) Infrared rays (4) Ultraviolet rays
Last Answer : Infrared rays
Description : Sun appears red in colour at sunrise and sunset due to (1) the fact that sun emits only red colour at that time (2) red light having longer wave length scatters away (3) that sun comes out of the mountains (4) that all other colours scatter away except red
Last Answer : that all other colours scatter away except red
Description : LED emits light : - a) only in RED color b) only in YELLOW color c) only in GREEN color d) In RED, GREEN, YELLOW and AMBER color
Last Answer : LED emits light : - In RED, GREEN, YELLOW and AMBER color
Description : How does a microwave oven heat up food even though it emits no thermal radiation? -Physics
Last Answer : A microwave oven does emit thermal radiation to heat up food. Microwave radiation is thermal radiation. For some reason, most sources have a mistaken notion that thermal radiation = infrared radiation ... a broad spectrum of frequencies with a certain shape that depends on the emitter's temperature.
Description : A frheshly prepared radioactive source of half life 2 hrs emits radiation of intensity which is 32 times the permissible safe value of intensity. Whic
Last Answer : A frheshly prepared radioactive source of half life 2 hrs emits radiation of intensity which is 32 times the ... B. 5hrs C. 10 hrs D. 32 hrs
Description : A dye absorbs a photon of wavelength `lambda` and re`-` emits the same energy into two phorons of wavelengths `lambda_(1)` and `lambda_(2)` respective
Last Answer : A dye absorbs a photon of wavelength `lambda` and re`-` emits the same energy into two phorons of wavelengths ` ... 2))/((lambda_(1)+lambda_(2))^(2))`
Description : A radioactive atom `X` emits a `beta-`particle to produce an atom `Y` which then emits an Particle to give an atom `Z` (1) the atomic number of `X` is
Last Answer : A radioactive atom `X` emits a `beta-`particle to produce an atom `Y` which then emits an Particle to give ... C. 2 and 3 are correct D. 3 is correct
Description : `._(92)U^(238)` emits `8 alpha-` particles and `6 beta-` particles. The `n//p` ratio in the product nucleus is a)`(62)/(41)` b)`(60)/(41)` c)`(61)/(42
Last Answer : `._(92)U^(238)` emits `8 alpha-` particles and `6 beta-` particles. The `n//p` ratio in the product nucleus ... A. 60/41 B. 61/40 C. 62/41 D. 61/42
Description : A radioactive element is preset in VIII group of the periodic table. If it emits one `alpha`particle, the new position of the nuclide will be
Last Answer : A radioactive element is preset in VIII group of the periodic table. If it emits one `alpha`particle, the new ... . VI B B. VIII C. VIIB D. I B
Description : A freshely prepared radioactive source of half 2 hours emits radiations of intensity which is 64 times the permissible safe level. The minimum time af
Last Answer : A freshely prepared radioactive source of half 2 hours emits radiations of intensity which is 64 times the ... 12 hours C. 24 hours D. 48 hours
Description : When `._(88)^(226)Ra` emits an `alpha`-particle, the new element formed belongs to:
Last Answer : When `._(88)^(226)Ra` emits an `alpha`-particle, the new element formed belongs to: A. third group B. zero group C. fourth group D. second group
Description : If by mistake radioactive substance gets into human body, then from the point of view of radiation damage, the most harmful will be one that emits.
Last Answer : If by mistake radioactive substance gets into human body, then from the point of view of radiation damage, ... neutrons C. `beta`-rays D. `alpha`-rays
Description : A stationary `._(82)^(200)Pb` nucleus emits an `alpha`-particle with kinetic energy `T_(alpha) = 5.77 MeV`. Find the recoil velocity of a daughter nuc
Last Answer : A stationary `._(82)^(200)Pb` nucleus emits an `alpha`-particle with kinetic energy `T_( ... accounted for by the recoil energy of daughter nucleus ?
Description : A stationary hydrogen atom emits a photon corresponding to the first line of the Lyman series. What is the velocity of recoil of the atom? `(m_(H)=1.6
Last Answer : A stationary hydrogen atom emits a photon corresponding to the first line of the Lyman series. What is the velocity ... `(m_(H)=1.672xx10^(-27) kg)`
Description : A luminous object O is located at the bottom of a big pool of liquid of refractive index `mu` and depth h. The object O emits rays upwards in all dire
Last Answer : A luminous object O is located at the bottom of a big pool of liquid of refractive index `mu` ... Determine the radius and the area of the circle .
Description : A hydrogen like gas emits radiation of wavelengths `460 Å, 828 Å` and `1035Å`, only. Assume thar the atoms have only two excited states and the differ
Last Answer : A hydrogen like gas emits radiation of wavelengths `460 Å, 828 Å` and `1035Å`, only. Assume ... of the ground state and the first excited state.
Description : A stationary helium ion emits a photon corresponding to the first line of Lyman series. That photon liberates a photoelectron form a stationary hydrog
Last Answer : A stationary helium ion emits a photon corresponding to the first line of Lyman series. That ... and ionisation energy of hydrogen atom=13.6ev.
Description : An electron gun emits `2.0xx10^(16)` electrons per second. What is the associated current ?
Last Answer : An electron gun emits `2.0xx10^(16)` electrons per second. What is the associated current ?
Description : Find the quantum number `n` corresponding to the excited state of `He^(+)` ion, if on transition to the ground state that ion emits two photons in suc
Last Answer : Find the quantum number `n` corresponding to the excited state of `He^(+)` ion, if on transition to the ... with wave lengths `108.5` and `30.4 nm`.
Description : What object in the universe emits microwaves?
Last Answer : Need answer
Description : What object emits electromagnetic waves?
Last Answer : Feel Free to Answer
Description : When a warm object is heated up why does the thermal radiation emits change?
Description : When a warm object is heated up why does the thermal radiation it emits changes?
Description : Every hot object emits _______
Description : The pith of the red rot affected can emits
Last Answer : Ans. Rotten fish like smell
Description : A substance emits energy which is detected as a line emission in the visible region using a spectroscope. The origin of this energy is (a) Vibrational energy of the molecules (b) Rotational energy of the molecules (c) Energy of orbital electrons (d) Energy of protons in the nucleus.
Last Answer : Ans:(c)
Description : A radioactive substance emits? (1) alpha particle (2) beta particle (3) gamma particle (4) all of the three
Last Answer : (4) all of the three Explanation: Radioactive substances are continually producing three kinds of dangerous radiation: alpha particles, beta particles and gamma rays. These types of radiation are invisible to the naked eye, and so you won't see a green glow.
Description : A piece of chalk when immersed in water, emits bubbles. Why?
Last Answer : Ans: Chalk consists of pores forming capillaries. When it is immersed in water, the water begins to rise in the capillaries and air present there is expelled in the form of bubbles.
Description : The atomic number of a radioactive element is not changed, when it emits __________ rays. (A) α (B) β (C) γ (D) α & β
Last Answer : (C) γ
Description : The 92U238 emits an a-particle. The product is(A) 90U234 (B) 90U238 (C) 90U236 (D) 92U236
Last Answer : (A) 90U234
Description : The mass number of an element is not changed, when it emits __________ radiations. (A) α & β (B) β & γ (C) γ & α (D) α, β, & γ
Last Answer : (B) β & γ
Description : A black body when hot, emits heat radiation of __________ wavelengths. (A) Small (B) Large (C) All (D) One fixed
Last Answer : (C) All
Description : Which of the following emits dangerous radioactive wastes forcing the government to eliminate its use? (a) Nuclear energy (b) Water energy (c) Geothermal energy (d) Solar energy
Last Answer : (a) Nuclear energy
Description : Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? (A) I-131 (B) Sr-90 (C) Au-198 (D) Ra-226
Last Answer : (D) Ra-226